The average of 50 numbers is 38. If two numbers, namely 45 and 55 are discarded,

Question

The average of 50 numbers is 38. If two numbers, namely 45 and 55 are discarded, the average of the remaining numbers is

Options:

A . 37.9

B . 37.5

C . 37.0

D . 36.5

Answer: Option B
Answer: (b)Sum of 50 numbers = 50 × 38 = 1900 Sum of 48 numbers = 1900 – 45 – 55 = 1800∴ Required average = $1800/48$ = 37.5

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