Question

Class A has 30 pupils and class B has 30 pupils.

Both classes sit the same maths test.
The mean score for class A is 55.
The mean score for class B is 65.
What is the mean score in the maths test across both classes?

Answer 1

30

Explanation:

b/c mean is average by another word

55 + 65 = 120

120\2 = 60