Alligation or Mixture problems
In a class of 30 students , the average weight of boys is 20 kg and the average weight of the girls is 25 kg . The fraction of boys out of the total students of the class is

Data insufficient
3/4
4/5
5/6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Alligation or Mixture problems
A can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?

21
10
20
25

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?

9 litres
6 litres
12 litres
15 litres

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Alligation or Mixture problems
From container A containing 54 liter of mixture of milk and water in ratio of 8 : 1 , 18 liter of the mixture is taken out and poured into container B in which ratio of milk to water is 3 : 1. If difference between total milk and total water in container B is 30 liter then find the quantity of initial mixture in container B.

28 Liter
30 Liter
36 Liter
32 Liter

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP