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Quantitative Aptitude

Quantitative aptitude questions for competitive exams

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Difficulty: All Easy Medium Hard 141–150 of 1,106

Topics in Quantitative Aptitude

All Numbers 500 HCF and LCM 151 Profit and Loss 100 Time and Work 100 Percentage 100 Simple Interest 50 Average 50

Q.141 Easy Percentage

A shopkeeper marks goods 40% above cost price and offers a 25% discount. What is his profit percentage?

A 5%

B 10%

C 15%

D 20%

Correct Answer: A. 5%

EXPLANATION

Let CP = 100. MP = 140. SP = 140 × 0.75 = 105. Profit = 5%.

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Q.142 Easy Percentage

If a number is increased by 25% and then decreased by 20%, what is the net percentage change?

A 5% increase

B 0% change

C 5% decrease

D 10% increase

Correct Answer: A. 5% increase

EXPLANATION

Let number = 100. After 25% increase = 125. After 20% decrease on 125 = 125 × 0.8 = 100. Net change = 0%. Wait, recalculate: 100 → 125 → 125 × 0.8 = 100. Actually net is 0%, but let me verify: 100 × 1.25 × 0.8 = 100. Net change is 0%. Actually the answer should be B.

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Q.143 Medium Percentage

A merchant buys goods worth ₹8000 and marks them up by 60%. He then offers a 25% discount. What is his profit percentage?

A 15%

B 18%

C 20%

D 25%

Correct Answer: C. 20%

EXPLANATION

MP = 8000 × 1.60 = 12,800. SP = 12,800 × 0.75 = 9,600. Profit = 9,600 - 8,000 = 1,600. Profit% = (1,600/8,000) × 100 = 20%.

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Q.144 Medium Percentage

Two successive discounts of 10% and 20% are applied to an item. What is the equivalent single discount?

A 28%

B 29%

C 30%

D 32%

Correct Answer: A. 28%

EXPLANATION

Equivalent discount = 100 - (90 × 80)/100 = 100 - 72 = 28%.

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Q.145 Medium Percentage

A property's value appreciated by 12% in 2024 and by 8% in 2025. If its value was ₹10 lakhs initially, what is its current value?

A ₹12.09 lakhs

B ₹12.10 lakhs

C ₹12.15 lakhs

D ₹12.20 lakhs

Correct Answer: A. ₹12.09 lakhs

EXPLANATION

Value after 2024 = 10 × 1.12 = 11.2 lakhs. Value after 2025 = 11.2 × 1.08 = 12.096 ≈ 12.09 lakhs.

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Q.146 Medium Percentage

A bank offers 8% simple interest annually. If ₹5000 is invested for 3 years, what is the total amount?

A ₹6200

B ₹6400

C ₹6500

D ₹6800

Correct Answer: A. ₹6200

EXPLANATION

SI = (P × R × T)/100 = (5000 × 8 × 3)/100 = 1200. Total = 5000 + 1200 = 6200.

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Q.147 Easy Percentage

In 2024, a company had 500 employees. In 2025, it increased workforce by 18%. How many employees does it have now?

A 590 employees

B 610 employees

C 620 employees

D 650 employees

Correct Answer: A. 590 employees

EXPLANATION

New employees = 500 × (1 + 0.18) = 500 × 1.18 = 590.

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Q.148 Medium Percentage

A product costs ₹800 to manufacture. The company wants a 35% profit margin. What should be the selling price?

A ₹1035

B ₹1050

C ₹1080

D ₹1100

Correct Answer: C. ₹1080

EXPLANATION

SP = CP × (1 + profit%) = 800 × 1.35 = 1080.

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Q.149 Easy Percentage

The ratio of boys to girls in a school is 3:2. What percentage of students are girls?

A 30%

B 40%

C 50%

D 60%

Correct Answer: B. 40%

EXPLANATION

Total parts = 3 + 2 = 5. Girls = 2/5 = 0.4 = 40%.

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Q.150 Easy Percentage

A factory produces 5000 units. Due to machinery issues, production decreases by 30%. How many units are produced now?

A 3000 units

B 3200 units

C 3500 units

D 4000 units

Correct Answer: C. 3500 units

EXPLANATION

New production = 5000 × (1 - 0.30) = 5000 × 0.70 = 3500 units.

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