MCQ Practice

Mathematics MCQs

A man buys an article and sells it at 20% profit. If he had bought it 20% cheaper and sold it for Rs. 75 less, the profit would be 25%. What is the cost price?

A. Rs. 370
B. Rs. 375
C. Rs. 350
D. Rs. 300

Explanation:
Solving the simultaneous equations gives CP = Rs. 375.

A is a working partner, and B is a sleeping partner. A invests Rs. 15000, and B invests Rs. 25000. A gets 10% of the profit as salary. Total profit is Rs. 42000. What is A’s share?

A. Rs. 3240
B. Rs. 3600
C. Rs. 3800
D. Rs. 4200

Explanation:
A gets a salary plus a share of the remaining profit.

A horse and a cow are each sold for Rs. 12000. The horse incurs 20% loss, and the cow gains 20%. What is the overall result?

A. No profit, no loss
B. Loss of Rs. 1000
C. Gain of Rs. 1000
D. Gain of Rs. 2000

Explanation:
Unequal base cost results in a net loss of Rs. 1000.

A fruit vendor buys 20 dozen bananas at Rs. 15 per dozen. One-fourth are rotten. At what price per dozen should he sell to get no loss?

A. Rs. 20
B. Rs. 15
C. Rs. 22.50
D. Rs. 7.50

Explanation:
Remaining bananas must cover the total cost, so the same rate.

A fair price shopkeeper gains 10% but loses 20% of goods. What is his net gain percent?

A. 8%
B. 10%
C. 11%
D. 12%

Explanation:
Effective gain ≈ 12% after accounting for loss and markup.

A dishonest dealer uses false weights. He marks goods at cost price but still makes a 20% profit. What is the effective weight used instead of 1 kg?

A. 855.5 g
B. 833.33 g
C. 875 g
D. 900 g

Explanation:
A 20% gain means he gives 100/120 × 1000 = 833.33 g.

A discount series of 10%, 20%, and 40% is equal to a single discount of ____.

A. 50%
B. 56.8%
C. 60%
D. 70.28%

Explanation:
Equivalent discount = 1 − (0.9×0.8×0.6) = 56.8%.

A dealer buys 15 items for Rs. 25 and sells 12 for Rs. 30. Profit percent is ____.

A. 25%
B. 50%
C. 20%
D. 5%

Explanation:
CP per item below SP yields a 50% profit.

A dealer marks goods 20% above cost and gives a discount to make 8% profit. What is the discount?

A. 12%
B. 10%
C. 6%
D. 4%

Explanation:
Net effect gives a discount = 10%.

A and B invest Rs. 8000 each. After 4 months, B withdraws half. Find the profit ratio.

A. 18:11
B. 22:13
C. 23:12
D. 11:9

Explanation:
Time-weighted capital gives a ratio of 18:11.