How many kgs of salt costing Rs. 28/kg must be mixed with 39.6 kg of salt costing Rs. 16/kg, so that the selling the mixture at Rs. 29.90 there is a gain of 15%?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 198
According to the ques,
1.15 × C.P. = 29.90
C.P. = (29.90) / (1.15)
= 26
5 1
Given, 1 part = 39.6 kg
Then, 5 parts = 39.6 × 5
= 198 kg