Question

The average weight of 6 boys gets increased by 5kg if a boy with weight 20kg is
replaced by a new boy. What is the weight of new boy?
(a) 41 ka
(b) 50 kg
(c) 65 kg
(d) 49 kg​

Answer 1

Answer:

The weight of new boy is 50 kg.

Step-by-step explanation:

Given : The average weight of 6 Boys Get increased by 5 kg if a boy with weight 20 kg replaced by a new boy.

To find : What is the weight of new boy ?

Solution :

Let the weight of new boy is 'x' kg.

According to question,

The average weight of 6 Boys Get increased by 5 kg if a boy with weight 20 kg replaced by a new boy.

i.e.

x-20/6=5

x-20=5*6

x-20=30

x=50

Therefore, The weight of new boy is 50 kg.