Q91
How many kg of salt costing Rs. 28 per kg must be mixed with 39.6 kg of salt costing Rs. 16 per kg, so that selling the mixture at Rs. 29.90, there is a gain of 15%.
A.
198
AnswerB.
135
C.
132
D.
131
Answer: Option A
Solution
Answer: Option A
Solution:
