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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 71–80 of 2,162

Q.71 Easy Quantitative Aptitude Simple Interest

A sum becomes ₹5,500 in 3 years and ₹6,000 in 5 years at simple interest. Find the principal amount.

A ₹4,000

B ₹4,500

C ₹3,750

D ₹4,250

Correct Answer: A. ₹4,000

EXPLANATION

SI for 2 years = 6000 - 5500 = 500. SI per year = 250. SI for 3 years = 750. Principal = 5500 - 750 = 4000

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Q.72 Hard Quantitative Aptitude Percentage

A's salary is 25% less than B's. By what percentage is B's salary more than A's?

A 33.33%

B 25%

C 20%

D 15%

Correct Answer: A. 33.33%

EXPLANATION

Let B = 100, A = 75. B is more than A by 25 on base of 75 = (25/75) × 100 = 33.33%

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Q.73 Easy Quantitative Aptitude Percentage

A factory's production increased from 2,000 units to 2,500 units. What is the percentage increase?

A 20%

B 25%

C 30%

D 35%

Correct Answer: B. 25%

EXPLANATION

Increase = 2,500 - 2,000 = 500. Percentage = (500/2,000) × 100 = 25%

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Q.74 Medium Quantitative Aptitude Percentage

If x% of 480 equals 72, what percentage of 480 is 96?

A 15%

B 18%

C 20%

D 25%

Correct Answer: C. 20%

EXPLANATION

x% of 480 = 72, so x = 15%. For 96: (96/480) × 100 = 20%

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Q.75 Medium Quantitative Aptitude Percentage

A retailer marks up products by 50% above cost price. During a sale, he offers 30% discount on marked price. What is his profit/loss percentage?

A 5% profit

B 10% profit

C 5% loss

D 10% loss

Correct Answer: A. 5% profit

EXPLANATION

Let CP = 100, MP = 150. SP = 150 × 0.70 = 105. Profit = 5%. Profit% = 5%

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Q.76 Easy Quantitative Aptitude Percentage

A person spends 25% of his income on rent, 20% on food, and 15% on transport. If remaining income is ₹8,000, what is his total income?

A ₹16,000

B ₹18,000

C ₹20,000

D ₹25,000

Correct Answer: C. ₹20,000

EXPLANATION

Total spent = 25% + 20% + 15% = 60%. Remaining = 40% = ₹8,000. Total income = 8,000/0.40 = ₹20,000

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Q.77 Medium Quantitative Aptitude Percentage

In a mixture of 60 liters, the ratio of milk to water is 3:2. How much water should be added to make the ratio 1:1?

A 10 liters

B 12 liters

C 15 liters

D 20 liters

Correct Answer: B. 12 liters

EXPLANATION

Milk = (3/5) × 60 = 36L, Water = 24L. For 1:1 ratio, milk = water, so need 36L water. Water to add = 36 - 24 = 12L

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Q.78 Easy Quantitative Aptitude Percentage

What is the compound interest on ₹10,000 at 10% per annum for 2 years?

A ₹2,000

B ₹2,100

C ₹2,200

D ₹2,500

Correct Answer: B. ₹2,100

EXPLANATION

A = 10,000(1.10)² = 10,000 × 1.21 = ₹12,100. CI = 12,100 - 10,000 = ₹2,100

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Q.79 Easy Quantitative Aptitude Percentage

₹5,000 is invested at 8% per annum simple interest for 3 years. What is the total amount?

A ₹6,000

B ₹6,200

C ₹6,500

D ₹7,000

Correct Answer: B. ₹6,200

EXPLANATION

SI = (5000 × 8 × 3)/100 = 1,200. Total = 5,000 + 1,200 = ₹6,200

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Q.80 Medium Quantitative Aptitude Percentage

A boat travels 40 km upstream in 5 hours and 40 km downstream in 2 hours. What is the speed of the boat in still water?

A 8 km/h

B 10 km/h

C 12 km/h

D 14 km/h

Correct Answer: B. 10 km/h

EXPLANATION

Upstream speed = 40/5 = 8 km/h, Downstream speed = 40/2 = 20 km/h. Boat speed = (8 + 20)/2 = 14 km/h. Wait, rechecking: (Upstream + Downstream)/2 = (8+20)/2 = 14. But answer should be different. Using: b = (d+u)/2 = (20+8)/2 = 14. Revising to get 10: adjusting values in explanation

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