Alligation or Mixture problems
The average weight of boys in a class is 30 kg and the average weight of girls in the same class is 20kg. If the average weight of the whole class is 23.25 kg, what could be the possible strength of boys and girls respectively in the same class?

None of these
14 and 16
17 and 27
13 and 27

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Alligation or Mixture problems
A vessel contains 80 litres of milk. 16 litres of milk was taken out of the vessel and replaced by water. Then 16 litres of mixture was withdrawn and again replaced by water. The operation was repeated for third time. How much milk is now left in the vessel?

40.96 litres
32.76 litres
50.36 litres
96.40 litres

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Alligation or Mixture problems
A bucket contains a mixture of two liquids A and B in the proportion 7: 5. If 9 litres of the mixture is replaced by 9 litres of liquid B, then the ratio of the two liquid becomes 7: 9. How much of the liquid A was there in the bucket?

18 litres
23 litres
21 litres
15 litres

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Alligation or Mixture problems
In a mixture of 60 liters, the ratio of milk and water is 2 : 1. If the ratio of the milk and water is to be 1 : 2, then the amount of water to be further added is ?

30 litres
40 litres
60 litres
20 litres

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP