Discussion of Question with ID = 080 under Profit-and-Loss

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Question

A merchant purchased 64 Kg of wheat at the rate of 4.00 Rs./Kg, and 36 Kg wheat at 15.00 Rs./Kg. At what rate must he sell the mixture to make an overall gain of 15%?

A

9.15.

B

10.15.

C

8.15.

D

11.15.

Soln.
Ans: a

The overall cost is $64 × 4 + 36 × 15$ = Rs. 796. Add a profit of 15% to get SP = $796 + (15 × 796)/100$ = Rs. 915.4. So the rate = $915.4/{64 + 36}$ = $915.4/100$ = 9.15.


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