There are two sections A and B of a class, consisting of 36 and 44 students' respectively. If the average weight of section A is 40kg and that of section B is 35kg, find the average weight of the whole class.

A) 30 kg B) 35 kg C) 42.5 kg D) 37.25 kg

Answer & Solution

Correct Answer: Option D

The total weight of (36 + 44) Students of A and B,
= (36 × 40 + 44 × 35) kg = 2980 kg.
Therefore average weight of the whole class = $$\frac{{2980}}{{80}}$$ kg
Therefore average weight = 37.25 kg

Question posted by Examveda

Community

Join the Discussion

1 Comment

Join the discussion

Login to post a comment or share your explanation.

0352 Jeena 3 years ago

Let it be easy 40 +35 2 so ans is 37.5

Keep Learning

There are two sections A and B of a class consisting...

There are two sections A and B of a class, consisting of 36 and 44 students' respectively. If the average weight of section A is 40kg and that of section B is 35kg, find the average weight of the whole class.

Join the Discussion

Related Questions on Average