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Question

Quantitative Aptitude Question on Ratio and Proportion

A group of friends decided to share the cost of a gift equally. If each person contributed Rs. 50, the amount would have been short by Rs. 20. However, if each person contributed Rs. 60, they would have Rs. 30 more than the required amount. What is the price of the gift?

A

450

B

270

C

200

D

540

Answer

270

Explanation

Solution

From the first scenario:
Total contribution = N ×\times 50
Equation: N ×\times 50 = P - 20
From the second scenario:
Total contribution = N ×\times 60
Equation: N ×\times 60 = P + 30
Subtracting the first equation from the second:
N ×\times 60 - N ×\times 50 = P + 30 - (P - 20)
10N = 50
N = 5
Substituting N = 5 in the first equation:
5 ×\times 50 = P - 20
250 = P - 20
P = 270