Alligation or Mixture problems
Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.

4:5
2:3
3:4
1:3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Alligation or Mixture problems
An alloy of copper and bronze weight 50g. It contains 80% Copper. How much copper should be added to the alloy so that percentage of copper is increased to 90%?

50 gm
55 gm
45 gm
60 gm

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Alligation or Mixture problems
Two solution of 90% and 97% purity and mixed resulting in 21 liters of mixture of 94% purity. How much is the quantity of the first solution in the resulting mixture?

6 litres
15 litres
12 litres
9 litres

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP