Question

The weights of three boys are in the ratio of 4: 5: 6.
If the sum of the weights of the heaviest and the
lightest boy is 45 kg more than the weight of the
third boy, what is the weight of the lightest boy?
(1) 32 kg (2) 36 kg (3) 40 kg
(4) 44 kg (5) None of these​

Answer 1

Answer:

4x+5x+6x=45

15x=45

x=45/15

x=3

Step-by-step explanation:

hope it helps

Answer 2

4x+5x+6x=45

15x=45

x=3

then lightest boy 4x=4×3=12