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A sold a table to B at a profit of 15%. Later B sold it back to A at a profit of 20% thereby gaining Rs. 69. How much did A pay for the table originally?

A.	Rs. 350	B.	Rs. 450
C.	Rs. 405	D.	Rs. 300

Answer and Explanation

Answer:Rs. 300

Explanation:
Let Cost Price of A = 100; Selling Price of A = 100(115 / 100) = Rs. 115
Cost Price of B = Rs. 115; Selling Price of B = 115(120/100) = Rs. 138
= Cost of Price A
Gain of B = 138 – 115 = Rs. 23
If Cost Price of A = 100, gain of B = 23
Gain of B = 69
Cost Price of A = (100 × 69)/23 = Rs. 300

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