Alligation or Mixture problems
Find the quantity of rice @ Rs. 10 per kg. which should be mixed with 25 kgs of rice @ Rs. 8 per kg, so that on selling the mixture @ Rs. 15 per kg there is 80% profit.

5 kgs
7 kgs
3 kgs
6 kgs

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Alligation or Mixture problems
A man pays Rs. 6.40 per litre of milk. He adds water and sells the mixture at Rs. 8 per litre, thereby making 37.5% profit. The proportion of water to milk received by the customers is

1 : 10
11 : 9
9 : 11
10 : 1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP