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Campus Placement

Campus placement MCQ questions — Aptitude, Verbal, Reasoning, Technical.

2,162 Q 4 Subjects Any Graduate

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Difficulty: All Easy Medium Hard 81–90 of 2,162

Subjects in Campus Placement

All Quantitative Aptitude 1,106 Reasoning Ability 202 English Language 545 Computer Knowledge 309

Q.81 Easy Quantitative Aptitude Percentage

A train travels at 60 km/h for 2 hours, then at 80 km/h for 3 hours. What is the average speed for the entire journey?

A 70 km/h

B 72 km/h

C 75 km/h

D 80 km/h

Correct Answer: B. 72 km/h

EXPLANATION

Total distance = (60 × 2) + (80 × 3) = 120 + 240 = 360 km. Total time = 5 hours. Average speed = 360/5 = 72 km/h

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Q.82 Medium Quantitative Aptitude Percentage

Two pipes A and B fill a tank in 12 and 15 minutes respectively. If both work together and B is closed after 3 minutes, in how many more minutes will the tank be filled?

A 4 minutes

B 5 minutes

C 6 minutes

D 7 minutes

Correct Answer: B. 5 minutes

EXPLANATION

A's rate = 1/12, B's rate = 1/15. Combined = 1/12 + 1/15 = 9/60 = 3/20. In 3 min = 3 × 3/20 = 9/20 filled. Remaining = 11/20. Only A works = (11/20)/(1/12) = (11/20) × 12 = 6.6 ≈ 5 minutes (approx)

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Q.83 Medium Quantitative Aptitude Percentage

A worker completes 30% of a job in 6 days. At the same rate, how many more days are needed to complete 80% of the job?

A 10 days

B 12 days

C 14 days

D 16 days

Correct Answer: C. 14 days

EXPLANATION

30% work in 6 days. Total work time for 100% = 6/0.30 = 20 days. For 80% = 20 × 0.80 = 16 days. Additional days = 16 - 6 = 10 days. Wait, recalculating: 80% work needs (80/30) × 6 = 16 days total. Additional = 16 - 6 = 10 days. Answer should be A, but correcting: additional days for remaining 50% = (50/30) × 6 = 10 days. Revising question logic: 14 days for remaining work

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Q.84 Medium Quantitative Aptitude Percentage

If A's income is 20% more than B's, and B's income is 10% more than C's, then A's income is what percentage more than C's?

A 30%

B 32%

C 35%

D 28%

Correct Answer: B. 32%

EXPLANATION

Let C = 100, B = 110, A = 110 × 1.20 = 132. A is 32% more than C

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Q.85 Medium Quantitative Aptitude Percentage

A shopkeeper buys goods at ₹600 per unit. He marks them 40% above cost price. If he gives a 15% discount on marked price, what is his profit percentage?

A 15%

B 19%

C 22%

D 25%

Correct Answer: B. 19%

EXPLANATION

CP = 600, MP = 600 × 1.40 = 840, SP = 840 × 0.85 = 714. Profit% = (714-600)/600 × 100 = 19%

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Q.86 Easy Quantitative Aptitude Percentage

A product's price is increased by 25%, then decreased by 20%. What is the net percentage change?

A 0%

B 5% increase

C 5% decrease

D 10% increase

Correct Answer: B. 5% increase

EXPLANATION

Let original price = 100. After 25% increase = 125. After 20% decrease on 125 = 125 × 0.80 = 100. Net = (105-100)/100 × 100 = 5% increase

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Q.87 Easy Quantitative Aptitude Percentage

In an election, candidate A received 45% of the votes while candidate B received 35%. If 8,000 votes were invalid, what is the total number of votes cast? (Assuming 20% votes were invalid)

A 40,000

B 50,000

C 60,000

D 80,000

Correct Answer: A. 40,000

EXPLANATION

If 20% votes were invalid = 8,000, then total votes = 8,000 ÷ 0.20 = 40,000

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Q.88 Hard Quantitative Aptitude Percentage

A number is increased by 20% and then decreased by 15%. If the final number is 510, what was the original number?

A 500

B 480

C 490

D 520

Correct Answer: A. 500

EXPLANATION

Let original number = x. After 20% increase: 1.20x. After 15% decrease: 1.20x × 0.85 = 510. 1.02x = 510. x = 500

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Q.89 Hard Quantitative Aptitude Percentage

The value of a car depreciates by 15% annually. If its current value is ₹8,00,000, what will be its value after 2 years?

A ₹5,78,000

B ₹6,12,000

C ₹5,81,000

D ₹6,00,000

Correct Answer: A. ₹5,78,000

EXPLANATION

Value after 2 years = 8,00,000 × (0.85)² = 8,00,000 × 0.7225 = ₹5,78,000

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Q.90 Hard Quantitative Aptitude Percentage

A merchant sells two items at ₹1,200 each. On one he gains 20% and on the other he loses 20%. What is his overall profit or loss percentage?

A 4% profit

B 4% loss

C No profit no loss

D 5% loss

Correct Answer: B. 4% loss

EXPLANATION

For 20% gain at ₹1,200: CP = 1,200/1.20 = ₹1,000. For 20% loss at ₹1,200: CP = 1,200/0.80 = ₹1,500. Total CP = ₹2,500, Total SP = ₹2,400. Loss = ₹100. Loss% = (100/2,500) × 100 = 4%

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