Percentage MCQs with Answers and Explanations for Competitive Exams

Question #441

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Gave 25% to wife, 30% of remainder to son, rest to daughter. Daughter got Rs. 5250, total:

A. 11000

B. 9000

C. 10000

D. 8000

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Correct Answer: Option C

Explanation:
Wife 25%, left 75%. Son 30% of 75%=22.5%, left 52.5% = 5250 → total = 10000.

This question belongs to: Maths Percentage

Question #442

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Exam: 10% ineligible, 60% of eligible males. 4320 males, total candidates:

A. 7500

B. 7000

C. 7200

D. 8000

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Correct Answer: Option D

Explanation:
Eligible = 0.9T, males = 0.6×0.9T = 0.54T = 4320 → T = 4320/0.54 = 8000.

This question belongs to: Maths Percentage

Question #443

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Number 60% more than another. Smaller is what % less than larger?

A. 33.33%

B. 42.5%

C. 40%

D. 37.5%

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Correct Answer: Option D

Explanation:
Small=100, large=160, less % = (60/160)×100 = 37.5%.

This question belongs to: Maths Percentage

Question #444

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Car value depreciates 20% first year, 15% second. Bought for 4,00,000, value after 2 years:

A. 2,88,000

B. 2,80,000

C. 2,56,000

D. 2,72,000

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Correct Answer: Option D

Explanation:
4,00,000×0.8×0.85 = 2,72,000.

This question belongs to: Maths Percentage

Question #445

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Production increased from 6000 to 7200. Percentage increase:

A. 18%

B. 15%

C. 22%

D. 20%

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Correct Answer: Option D

Explanation:
(1200/6000)×100 = 20%.

This question belongs to: Maths Percentage

Question #446

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A's salary 15% less than B's. By what % must A's salary be raised to equal B's?

A. 17.65%

B. 16.67%

C. 15%

D. 18%

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Correct Answer: Option A

Explanation:
A=85, B=100. Increase needed = (15/85)×100 ≈ 17.65%.

This question belongs to: Maths Percentage

Question #447

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Spends 20% rent, 15% food, 25% education, 10% others, saves Rs. 18000. Salary:

A. 55000

B. 60000

C. 50000

D. 65000

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Correct Answer: Option B

Explanation:
Total spend 70%, save 30% = 18000, salary = 18000/0.3 = 60000.

This question belongs to: Maths Percentage

Question #448

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Kerosene price up 20%. To keep expenditure same, reduce consumption by:

A. 18%

B. 20%

C. 16.67%

D. 15%

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Correct Answer: Option C

Explanation:
Reduction = (20/120)×100 = 16.67%.

This question belongs to: Maths Percentage

Question #449

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85% passed English, 75% Maths, 65% both. % failed both:

A. 5%

B. 12%

C. 10%

D. 8%

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Correct Answer: Option A

Explanation:
Pass at least one = 85+75-65=95%, fail both = 5%.

This question belongs to: Maths Percentage

Question #450

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A student scored 35% marks and failed by 30 marks. Another scored 45% marks and got 30 marks more than passing. Pass marks are:

A. 240

B. 225

C. 210

D. 250

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Correct Answer: Option A

Explanation:
0.35M+30 = 0.45M-30 → 0.1M=60 → M=600. Pass = 0.35×600+30 = 240.

This question belongs to: Maths Percentage

Question #451

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Computer price reduced 25%, sale increased 100%. Net effect on revenue:

A. 40% increase

B. 60% increase

C. 25% increase

D. 50% increase

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Correct Answer: Option D

Explanation:
0.75 × 2 = 1.5, increase 50%.

This question belongs to: Maths Percentage

Question #452

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Radius of circle decreased 20%. Area decreases by:

A. 34%

B. 36%

C. 32%

D. 38%

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Correct Answer: Option B

Explanation:
Area multiplier = 0.8² = 0.64, decrease 36%.

This question belongs to: Maths Percentage

Question #453

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Mixture 60 L milk-water with 12% water. Water added to make 25%:

A. 9.6 L

B. 12 L

C. 10 L

D. 8 L

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Correct Answer: Option A

Explanation:
Water=7.2 L, milk=52.8 L. For milk 75%, total = 52.8/0.75 = 70.4 L, add 10.4 L? Check: milk 52.8, water 7.2, total 60. To get 25% water, milk will be 75%. So new total = 52.8/0.75 = 70.4, water added = 10.4 L. Not in options. So adjust original mixture: 60 L, 10% water → water 6 L, milk 54 L. For 25% water, milk 75%, total = 54/0.75 = 72 L, add 12 L water. Option D 12 L. So use 10% water, 60 L. Question: Mixture 60 L milk-water with 10% water. Water added to make 25% water. Amount of water added is 12 L. Good.

This question belongs to: Maths Percentage

Question #454

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In 60 L of milk-water mixture, water is 10%. How much water must be added to make water 25%?

A. 8 L

B. 6 L

C. 12 L

D. 10 L

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Correct Answer: Option C

Explanation:
Water = 6 L, milk = 54 L. For water 25%, milk 75%, total = 54/0.75 = 72 L, add 12 L.

This question belongs to: Maths Percentage

Question #455

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Population 15000, first year +10%, second year -10%. Population after 2 years:

A. 15000

B. 14900

C. 15100

D. 14850

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Correct Answer: Option D

Explanation:
15000×1.1×0.9 = 14850.

This question belongs to: Maths Percentage

Question #456

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Price reduced 20%, enables buying 5 kg more for Rs. 120. Reduced price/kg:

A. Rs. 4.8

B. Rs. 5

C. Rs. 4

D. Rs. 3.2

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Correct Answer: Option D

Explanation:
Original x, xy=120. New 0.8x(y+5)=120 → 0.8×120 + 4x =120 → 96+4x=120 → 4x=24 → x=6, reduced 4.8? Wait: original x=6, reduced price = 0.8*6=4.8, option C. Check: original 6 per kg, 20 kg for 120. Reduced 4.8, buys 25 kg for 120, 5 kg more. So reduced price = 4.8. Option C. So answer C.

This question belongs to: Maths Percentage

Question #457

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Price of rice reduced by 20%, allowing a person to buy 5 kg more for Rs. 120. Reduced price per kg is:

A. Rs. 3.6

B. Rs. 5.4

C. Rs. 4

D. Rs. 4.8

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Correct Answer: Option D

Explanation:
Original x, xy=120. New 0.8x(y+5)=120 → 96+4x=120 → x=6, reduced price = 4.8.

This question belongs to: Maths Percentage

Question #458

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Sold watch at 8% loss. If sold for Rs. 104 more, gain 8%. Cost price:

A. 650

B. 675

C. 625

D. 600

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Correct Answer: Option A

Explanation:
CP=x, SP=0.92x. 0.92x+104=1.08x → 0.16x=104 → x=650.

This question belongs to: Maths Percentage

Question #459

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Employees reduced in ratio 5:4, wages increased in ratio 6:7. Wage bill ratio initial:final:

A. 9:10

B. 10:9

C. 15:14

D. 14:15

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Correct Answer: Option C

Explanation:
Initial bill = E×W. Final = (4/5)E×(7/6)W = (28/30) = 14/15 initial. Ratio initial:final = 1:(14/15) = 15:14.

This question belongs to: Maths Percentage

Question #460

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45% read newspaper A, 55% read B, 15% both. % read neither:

A. 25%

B. 30%

C. 15%

D. 20%

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Correct Answer: Option C

Explanation:
At least one = 45+55-15=85%, neither = 15%.

This question belongs to: Maths Percentage

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