What will be the quantity of water in the body of a person weighing 50 kg? (a) 20 kg        (b) 35 kg      (c) 41 kg      (d) 42.5 kg

50 kg is what per cent of 250 kg?

The average weight of A , B and C is 40 kgs. Weight of C is 24 kgs more than A s weight and 3 kgs less than B s weight. What will be the average weight of A , B , C and D . If D weights 15 kgs less than C ? (a) 42 kgs (b) 40 kgs (c) 36 kgs (d) 38 kgs

The mean weight of 21 students is 21 kg. If a student weighing 21 kg is removed from the group, then the mean of the remaining students is (a) 20 kg (b) 21 kg (c) 19 kg (d) 18 kg

The average weight of A , B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is: (a) 17 kg (b) 20 kg (c) 26 kg (d) 31 kg

2kg 5gm is equal to (a) 2.5kg (b) 2.05kg (c) 2.005kg (d) 2.6kg

2kg 5gm is equal to 2.5kg (b) 2.05kg (c) 2.005kg (d) 2.6kg

What is the weight of water contained in a conical vessel 21 cm deep and 16 cm in diameter? (a) 1.256 kg (b) 1.408 kg (c) 2.480 kg (d) 3.875 kg

If a metallic cuboid weighs 16 kg, how much would a miniature cuboid of metal weigh, if all dimensions are reduced to one-fourth of the original? (a) 0.25 kg (b) 0.50 kg (c) 0.75 kg (d) 1 kg

Two boys weigh 25 kg and 20 kg. Find the ratio of their weights.