Price reduced 25%, enables buying 3 kg more for Rs. 90. Reduced price/kg: MCQ with Answer and Explanation

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Price reduced 25%, enables buying 3 kg more for Rs. 90. Reduced price/kg:

A. Rs. 7

B. Rs. 6

C. Rs. 8

D. Rs. 7.5

Answer: Option D

Solution (By JKSSB Mock Tests)

Original price x, xy=90. New 0.75x(y+3)=90 → 0.75×90 + 2.25x=90 → x=10, reduced 7.5.

This question belongs to: Maths Percentage

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Question #1

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A man's income is 80% of his friend's income. The friend's expenditure is 60% of his income. If the man saves 30% of his income and the friend saves Rs. 4000, what is the man's income?

A. Rs. 12000

B. Rs. 8000

C. Rs. 15000

D. Rs. 10000

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Correct Answer: Option B

Explanation:
Let friend's income = F. Friend saves 40% of F = 4000 → F = 10000. Man's income = 80% of F = 8000. Man saves 30% of 8000 = 2400. So answer Rs. 8000.

This question belongs to: Maths Percentage