A trader bought articles for Rs. 1200. Ten were damaged, rest sold at Rs. 2 more than CP each, total profit Rs. 60. Number of articles: MCQ with Answer and Explanation

A trader bought articles for Rs. 1200. Ten were damaged, rest sold at Rs. 2 more than CP each, total profit Rs. 60. Number of articles:

A. 110

B. 100

C. 90

D. 80

Answer: Option B

Let n articles, CP each = 1200/n. Sold (n-10) at (1200/n + 2). Total SP = (n-10)(1200/n +2) = 1260. Solving gives n=100.

This question belongs to: Maths Percentage

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Question #1 Report Error

Number increased 40% then decreased 30%. Net change:

A. 2% increase

B. No change

C. 2% decrease

D. 10% decrease

Correct Answer: Option C

Explanation:
1.4 × 0.7 = 0.98, 2% decrease.

This question belongs to: Maths Percentage

Question #2 Report Error

A shopkeeper gives 15% discount on marked price Rs. 800. Selling price is:

A. 660

B. 680

C. 700

D. 650

Correct Answer: Option B

Explanation:
800 × 0.85 = 680.

This question belongs to: Maths Percentage

Question #3 Report Error

Rice price reduced by 10%, a man buys 4 kg more for Rs. 144. Reduced price per kg is:

A. Rs. 3.8

B. Rs. 3.6

C. Rs. 3.4

D. Rs. 3.2

Correct Answer: Option B

Explanation:
Original x, xy=144. 0.9x(y+4)=144 → 129.6+3.6x=144 → x=4, reduced = 3.6.

This question belongs to: Maths Percentage