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mpt · CSS study notes

05 · General Ability — Q121–150

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Study order: attempt the question → open the yellow hint only if needed → reveal the green answer → try the related question. Check the revision box only when you can explain the rule without looking.

30 original questions + 30 related recall exercises. Study solutions, not an official KIPS key. Wording and options are retained with spacing and obvious numbering normalised. Consult the attached original PDF for exact typography.

Q121

If Z=52 and ACT=48, then BAT will be equal to:

a) 39

b) 41

c) 44

d) 46

Source PDF page 11.

  • 💡 Hint — try before revealing

    Try adding alphabet positions, then applying the same multiplier as the example.

  • ✅ Answer & explanation

    Answer: D — 46

    Reasoning: Use twice the sum of alphabet positions: BAT=2×(2+1+20)=46.

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Related practice: What is CAT in the same code?

  • ✅ Related answer & memory link

    Answer: 48.

    Why / remember: CAT gives 3+1+20=24; doubling gives 48.

  • Confident after revision


Q122

A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can

together finish the work is:

a) 4 days

b) 6 days

c) 8 days

d) 18 days

Source PDF page 12.

  • 💡 Hint — try before revealing

    Convert working times into daily rates before adding.

  • ✅ Answer & explanation

    Answer: A — 4 days

    Reasoning: B’s rate=1/12; A’s rate=2/12. Combined rate=3/12=1/4 job per day.

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Related practice: How long does A alone take?

  • ✅ Related answer & memory link

    Answer: 6 days.

    Why / remember: Twice B’s speed means half B’s time: 12/2=6 days for A alone.

  • Confident after revision


Q123

The sum of the present ages of a father and his son is 60 years. Six years ago, father’s age was five times the age of son. After

6 years, son’s age will be?

a) 12 years

b) 14 years

c) 18 years

d) 20 years

Source PDF page 12.

  • 💡 Hint — try before revealing

    Write present-age and past-age equations separately.

  • ✅ Answer & explanation

    Answer: D — 20 years

    Reasoning: F+S=60 and F−6=5(S−6). Thus S=14 now, so after six years S=20.

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Related practice: What is the father’s current age?

  • ✅ Related answer & memory link

    Answer: 46.

    Why / remember: The equations give son 14 now and father 46 now; 46+14=60 checks the total.

  • Confident after revision


Q124

Salman is younger than Rizwan by 7 years. If their ages are in the respective ratio of 7:9, how old is Salman?

a) 16 years

b) 18 years

c) 28 years

d) 24.5 years

Source PDF page 12.

  • 💡 Hint — try before revealing

    The difference in ratio parts corresponds to the age difference.

  • ✅ Answer & explanation

    Answer: D — 24.5 years

    Reasoning: Two ratio parts equal 7 years, so one part=3.5. Salman=7×3.5=24.5.

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Related practice: What is Rizwan’s age?

  • ✅ Related answer & memory link

    Answer: 31.5 years.

    Why / remember: Rizwan has nine parts, each 7/(9−7)=3.5 years; age=31.5.

  • Confident after revision


Q125

The present ages of three persons in proportions 4:7:9. Eight years ago, the sum of their ages was 56. Find their present ages

(in years).

a) 8, 20, 28

b) 16, 28, 36

c) 20, 35, 45

d) None of these

Source PDF page 12.

  • 💡 Hint — try before revealing

    Move the combined age total forward by three people times eight years.

  • ✅ Answer & explanation

    Answer: B — 16, 28, 36

    Reasoning: Present total=56+3×8=80. Twenty ratio parts give one part=4.

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Related practice: What were their ages eight years ago?

  • ✅ Related answer & memory link

    Answer: 8,20,28.

    Why / remember: Subtract eight from each present age: 16,28,36 become 8,20,28 and sum to 56.

  • Confident after revision


Q126

In a certain class the ratio of men to women is 3:5. If the class has 24 people in it, how many are women?

a) 9

b) 12

c) 15

d) 18

Source PDF page 12.

  • 💡 Hint — try before revealing

    Add all ratio parts before taking the women’s share.

  • ✅ Answer & explanation

    Answer: C — 15

    Reasoning: Women represent 5 of 8 parts; 24×5/8=15.

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Related practice: How many men are there?

  • ✅ Related answer & memory link

    Answer: 9.

    Why / remember: Men are 3/(3+5) of 24, giving 9; check 9+15=24.

  • Confident after revision


Q127

If x+y=9 and x-y=1 then y=?

a) 5

b) 4

c) 8

d) 10

Source PDF page 12.

  • 💡 Hint — try before revealing

    Add or subtract the two equations to eliminate one variable.

  • ✅ Answer & explanation

    Answer: B — 4

    Reasoning: Subtract x−y=1 from x+y=9: 2y=8.

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Related practice: What is x?

  • ✅ Related answer & memory link

    Answer: 5.

    Why / remember: Adding x+y=9 and x−y=1 gives 2x=10, so x=5.

  • Confident after revision


Q128

Subtract 27+514 from 43+16

a) 384

b) 582

c) 482

d) None of these

Source PDF page 12.

  • 💡 Hint — try before revealing

    The words subtract A from B require B−A.

  • ✅ Answer & explanation

    Answer: D — None; −482 as printed

    Reasoning: “Subtract 27+514 from 43+16” means 59−541=−482. Positive 482 reverses the order.

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Related practice: What does subtract A from B mean?

  • ✅ Related answer & memory link

    Answer: B−A.

    Why / remember: Order matters: subtract 27+514 from 43+16 means (43+16)−(27+514), not the reverse.

  • Confident after revision


Q129

10% written as a decimal is:

a) 1.0

b) 0.1

c) 0.01

d) 0.001

Source PDF page 12.

  • 💡 Hint — try before revealing

    Percent means divide by one hundred.

  • ✅ Answer & explanation

    Answer: B — 0.1

    Reasoning: Percent means per hundred: 10/100=0.1.

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Related practice: Write 0.1% as a decimal.

  • ✅ Related answer & memory link

    Answer: 0.001.

    Why / remember: 0.1%=0.1/100=0.001; moving from percent to decimal shifts two places left.

  • Confident after revision


Q130

One nautical mile is equal to:

a) 5760 feet

b) 5970 feet

c) 6076 feet

d) 6800 feet

Source PDF page 12.

  • 💡 Hint — try before revealing

    Do not confuse a nautical mile with the 5280-foot statute mile.

  • ✅ Answer & explanation

    Answer: C — approximately 6076 feet

    Reasoning: One international nautical mile is exactly 1852 metres, about 6076.12 feet.

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Related practice: What speed unit means one nautical mile per hour?

  • ✅ Related answer & memory link

    Answer: A knot.

    Why / remember: A knot measures speed; a nautical mile measures distance. One knot is one nautical mile per hour.

  • Confident after revision


Q131

Four masons build a wall 4 feet high in four hours. How many feet high wall can one mason build in one hour?

a) 1

b) 1/4

c) 3/4

d) 4

Source PDF page 12.

  • 💡 Hint — try before revealing

    Work out output per mason-hour under the stated uniform-rate assumption.

  • ✅ Answer & explanation

    Answer: B — 1/4 foot

    Reasoning: Four masons×four hours=16 mason-hours for four feet; each mason-hour produces 1/4 foot under uniform productivity.

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Related practice: How high can two masons build in two hours?

  • ✅ Related answer & memory link

    Answer: 1 foot under the same assumptions.

    Why / remember: Two masons for two hours give four mason-hours; at 1/4 foot each that produces one foot.

  • Confident after revision


Q132

14 percent of 24 is equal to:

a) 2.36

b) 3.36

c) 4.36

d) None of these

Source PDF page 12.

  • 💡 Hint — try before revealing

    Convert fourteen percent to 0.14.

  • ✅ Answer & explanation

    Answer: B — 3.36

    Reasoning: 0.14×24=3.36.

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Related practice: What is 24% of 14?

  • ✅ Related answer & memory link

    Answer: Also 3.36.

    Why / remember: a% of b equals b% of a because both equal ab/100; 24% of 14 is also 3.36.

  • Confident after revision


Q133

A number exceeds another number by 5. The sum of the numbers is 19. Find the smaller number?

a) 5

b) 6

c) 7

d) 12

Source PDF page 12.

  • 💡 Hint — try before revealing

    Let the smaller number be x and the larger x+5.

  • ✅ Answer & explanation

    Answer: C — 7

    Reasoning: Let smaller=x; x+(x+5)=19, so 2x=14.

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Related practice: What is the larger number?

  • ✅ Related answer & memory link

    Answer: 12.

    Why / remember: The smaller is 7, so the larger is 7+5=12; their sum is 19.

  • Confident after revision


Q134

What percent is 3/4 of 5/6?

a) 75%

b) 80%

c) 90%

d) 111%

Source PDF page 12.

  • 💡 Hint — try before revealing

    Divide the quantity being compared by the reference quantity, then multiply by 100.

  • ✅ Answer & explanation

    Answer: C — 90%

    Reasoning: Interpret as “3/4 is what percentage of 5/6?” (3/4)÷(5/6)×100=90%.

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Related practice: What is 5/6 as a percentage of 3/4?

  • ✅ Related answer & memory link

    Answer: 111⅑%.

    Why / remember: Reversing the comparison gives (5/6)/(3/4)×100=111⅑%; percentage comparisons are directional.

  • Confident after revision


Q135

If 9(PxPxP)/3(PxPxP)-P=0, then P=?

a) 1/9

b) 27

c) 1/3

d) 3

Source PDF page 13.

  • 💡 Hint — try before revealing

    Clarify the denominator’s grouping and note where division would be undefined.

  • ✅ Answer & explanation

    Answer: D — 3, intended grouping

    Reasoning: Reading the expression as [9P³/(3P³)]−P=0 gives 3−P=0, with P≠0. The denominator needs explicit brackets.

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Related practice: Why is P=0 excluded?

  • ✅ Related answer & memory link

    Answer: The denominator would be zero.

    Why / remember: P=0 makes 3P³ zero, so cancellation is valid only for nonzero P.

  • Confident after revision


Q136

If Arif can read 39 pages of a book in half an hour. How long will it take him to finish a book that is 1287 pages?

a) 16 hours

b) 16.5 hours

c) 17 hours

d) 15.5 hours

Source PDF page 13.

  • 💡 Hint — try before revealing

    First convert pages per half-hour into pages per hour.

  • ✅ Answer & explanation

    Answer: B — 16.5 hours

    Reasoning: Rate=39/0.5=78 pages/hour. Time=1287/78=16.5.

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Related practice: How many pages in two hours?

  • ✅ Related answer & memory link

    Answer: 156.

    Why / remember: At 78 pages/hour, two hours gives 78×2=156 pages.

  • Confident after revision


Q137

Man standing at point A. He moves towards east and walked 300 meters then turns toward north and walked 400 meters then

he turns towards west and walks 300 meters. How many meters he is away from the starting point?

a) 300 meters

b) 400 meters

c) 500 meters

d) 600 meters

Source PDF page 13.

  • 💡 Hint — try before revealing

    Separate total path length from straight-line displacement.

  • ✅ Answer & explanation

    Answer: B — 400 metres

    Reasoning: East and west movements cancel; the remaining displacement is 400 m north.

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Related practice: What total distance was walked?

  • ✅ Related answer & memory link

    Answer: 1000 metres.

    Why / remember: Total walked is 300+400+300=1000 m even though the displacement is only 400 m.

  • Confident after revision


Q138

8 is what percent of 2?

a) 100%

b) 200%

c) 300%

d) 400%

Source PDF page 13.

  • 💡 Hint — try before revealing

    The smaller reference value belongs in the denominator.

  • ✅ Answer & explanation

    Answer: D — 400%

    Reasoning: 8/2×100=400%. A percentage can exceed 100.

🔁

Related practice: What percentage is 2 of 8?

  • ✅ Related answer & memory link

    Answer: 25%.

    Why / remember: 2/8×100=25%; reversing part and reference changes 400% to 25%.

  • Confident after revision


Q139

A car travels at the speed of 120km/h. How long it will travel in 15 minutes?

a) 10km

b) 40km

c) 30km

d) 15km

Source PDF page 13.

  • 💡 Hint — try before revealing

    Convert fifteen minutes into a fraction of an hour.

  • ✅ Answer & explanation

    Answer: C — 30 km

    Reasoning: 15 minutes=1/4 hour; distance=120×1/4=30.

🔁

Related practice: How far in 10 minutes at the same speed?

  • ✅ Related answer & memory link

    Answer: 20 km.

    Why / remember: Ten minutes is 1/6 hour; 120×1/6=20 km.

  • Confident after revision


Q140

Find the value of x if the average of 1.0, 0.8, 0.2 and x is exactly 0.6:

a) 0.4

b) 0.2

c) 2.4

d) 0.66

Source PDF page 13.

  • 💡 Hint — try before revealing

    Use total = average × number of observations.

  • ✅ Answer & explanation

    Answer: A — 0.4

    Reasoning: Required total=4×0.6=2.4; known total=2, so x=0.4.

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Related practice: What is the mean if x=0.8?

  • ✅ Related answer & memory link

    Answer: 0.7.

    Why / remember: With x=0.8, total is 2.8 and mean 2.8/4=0.7.

  • Confident after revision


Q141

Javed loses 5% by selling a table for Rs. 1045. For how much should he sell table to gain 5% profit on it?

a) 1155

b) 1100

c) 1180

d) 1090

Source PDF page 13.

  • 💡 Hint — try before revealing

    Recover cost price from the loss, then apply the required profit to cost.

  • ✅ Answer & explanation

    Answer: A — Rs 1155

    Reasoning: Cost=1045/0.95=1100. Required selling price=1100×1.05=1155.

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Related practice: What is the profit in rupees at the new price?

  • ✅ Related answer & memory link

    Answer: 55.

    Why / remember: Cost Rs 1100 gives a 5% profit of 0.05×1100=Rs 55.

  • Confident after revision


Q142

Train travels 60km in 1.5 hours. A plane travel doubles than the train. How many kilometers plane will travel in 20 minutes?

a) 35km

b) 27km

c) 44km

d) 40km

Source PDF page 13.

  • 💡 Hint — try before revealing

    Find train speed, double it, then convert twenty minutes to hours.

  • ✅ Answer & explanation

    Answer: B — 27 km, rounded

    Reasoning: Train speed=60/1.5=40 km/h; plane speed=80. In 1/3 hour it travels 26⅔ km, rounded to 27.

🔁

Related practice: What is the exact distance?

  • ✅ Related answer & memory link

    Answer: 26⅔ km.

    Why / remember: 80 km/h×1/3 hour=26⅔ km; 27 is a rounded option, not the exact result.

  • Confident after revision


Q143

14 persons earn Rs. 400 in 10 days. How many persons are required to earn Rs. 600 in 10 days?

a) 18

b) 24

c) 21

d) 15

Source PDF page 13.

  • 💡 Hint — try before revealing

    With time fixed, earnings scale with the number of equally productive workers.

  • ✅ Answer & explanation

    Answer: C — 21 people

    Reasoning: Same time and productivity imply workers proportional to earnings: 14×600/400=21.

🔁

Related practice: How much would seven people earn in ten days?

  • ✅ Related answer & memory link

    Answer: Rs 200.

    Why / remember: Seven is half of fourteen, so earnings are half of Rs 400: Rs 200.

  • Confident after revision


Q144

6 persons complete a work in 16 days; 8 persons will complete the same job in how many days?

a) 12

b) 14

c) 9

d) 10

Source PDF page 13.

  • 💡 Hint — try before revealing

    For fixed work, workers×days stays constant under equal productivity.

  • ✅ Answer & explanation

    Answer: A — 12 days

    Reasoning: Total effort=6×16=96 person-days; 96/8=12.

🔁

Related practice: How many days for 12 people?

  • ✅ Related answer & memory link

    Answer: 8.

    Why / remember: The job takes 96 person-days, so 12 workers require 96/12=8 days.

  • Confident after revision


Q145

Marathon is to race as hibernation is to:

a) Winter

b) Bear

c) Dream

d) Sleep

Source PDF page 13.

  • 💡 Hint — try before revealing

    Identify the relationship being compared, but do not treat the biological analogy literally.

  • ✅ Answer & explanation

    Answer: D — Sleep, conventional analogy

    Reasoning: A marathon is a prolonged race; hibernation resembles prolonged dormancy. Biologically hibernation is not simply ordinary sleep.

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Related practice: What is the hot-weather dormancy analogue called?

  • ✅ Related answer & memory link

    Answer: Aestivation.

    Why / remember: Aestivation is dormancy associated with hot/dry conditions, contrasted with the cold-season association of hibernation.

  • Confident after revision


Q146

Cup is to coffee as bowl is to:

a) Dish

b) Soup

c) Spoon

d) Food

Source PDF page 13.

  • 💡 Hint — try before revealing

    Match a container with its typical specific contents.

  • ✅ Answer & explanation

    Answer: B — Soup

    Reasoning: A cup commonly contains coffee; a bowl commonly contains soup. Food is broader and less closely matched.

🔁

Related practice: What relationship is being tested?

  • ✅ Related answer & memory link

    Answer: Container and typical contents.

    Why / remember: The relationship is cup→coffee and bowl→soup, not object→material or object→action.

  • Confident after revision


Q147

Maria runs faster than Gail. Lily runs faster than Maria. Gail runs faster than Lily. If the first two statements are true, the third

statement is:

a) True

b) False

c) Uncertain

d) None of these

Source PDF page 14.

  • 💡 Hint — try before revealing

    Write the speed inequalities in one chain.

  • ✅ Answer & explanation

    Answer: B — False

    Reasoning: Lily>Maria>Gail in running speed, so Gail cannot be faster than Lily.

🔁

Related practice: Who is fastest?

  • ✅ Related answer & memory link

    Answer: Lily.

    Why / remember: Lily is above both Maria and Gail in that chain, so Lily is fastest.

  • Confident after revision


Q148

All the tulips in Zoe’s Garden are white. All the pansies in Zoe’s Garden are yellow. All the flowers in Zoe’s Garden are either

white or yellow. If the first two statements are true, the third statement is:

a) True

b) False

c) Uncertain

d) None of these

Source PDF page 14.

  • 💡 Hint — try before revealing

    Ask whether the premises exclude all unmentioned flower types.

  • ✅ Answer & explanation

    Answer: C — Uncertain

    Reasoning: The premises say nothing about other types of flowers in the garden.

🔁

Related practice: What extra premise would make the conclusion true?

  • ✅ Related answer & memory link

    Answer: The garden contains only tulips and pansies.

    Why / remember: A statement that the garden contains only those two types closes the logical gap.

  • Confident after revision


Q149

Rover weighs less than Fido. Rover weighs more than Boomer. Of the three dogs, Boomer weighs the least. If the first two

statements are true, the third statement is:

a) True

b) False

c) Uncertain

d) None of these

Source PDF page 14.

  • 💡 Hint — try before revealing

    Use transitivity: if A exceeds B and B exceeds C, then A exceeds C.

  • ✅ Answer & explanation

    Answer: A — True

    Reasoning: Fido>Rover>Boomer in weight; Boomer is therefore lightest.

🔁

Related practice: Who weighs most?

  • ✅ Related answer & memory link

    Answer: Fido.

    Why / remember: Fido exceeds Rover, who exceeds Boomer; Fido must therefore be the heaviest.

  • Confident after revision


Q150

On the day, the Barton triplets are born, Jenna weighs more than Jason. Jason weighs less than Jasmine. Of the three babies,

Jasmine weighs the most. If the first two statements are true, the third statement is:

a) True

b) False

c) Uncertain

d) None of these

Source PDF page 14.

  • 💡 Hint — try before revealing

    Two babies exceeding Jason tells you nothing about their order relative to each other.

  • ✅ Answer & explanation

    Answer: C — Uncertain

    Reasoning: Both Jenna and Jasmine exceed Jason, but their relative weights are unstated.

🔁

Related practice: Who certainly weighs least?

  • ✅ Related answer & memory link

    Answer: Jason.

    Why / remember: Jason is below both others, so the least weight is fixed even though the greatest is not.

  • Confident after revision