# The average of 30 numbers is 40 and that of other…

Are you looking for correct answer of The average of 30 numbers is 40 and that of other…? Here we have shared detailed answer with explanations.

### The average of 30 numbers is 40 and that of other 40 numbers is 30. The average of all the numbers is :

1. A. $$34\frac{2}{7}$$
2. B. 35
3. C. 34
4. D. 34.5

Total average = $$frac{1200 + 1200}{70}$$
= $$frac{2400}{70}$$
= $$34frac{2}{7}$$