Question

The average of 50 numbers is 40. If two numbers, 30 and 45 are discarded, then the average of the remaining numbers is:

• A. 40.10
• B. 38.15
• C. 42.55
• D. 36.20
• E. 51.25

Answer 1

The correct option is A

40.10

Average of 50 numbers is 40.

The sum of 50 numbers = Avg. x 50 = 30 x 50.

$\Rightarrow Newaverage=\frac{(40\times 50)-(30+45)}{48}$
= 40.10