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

A. 37.5
B. 37.9
C. 36.5
D. 37.0
**Answer: Option A**

## Show Answer

Solution(By Apex Team)

According to the question,
Average of 50 numbers is = 38
Sum of 50 numbers is = 38 × 50 = 1900
Two numbers discarded = 45 + 55 = 100
Sum of 48 numbers = 1900 – 100 = 1800
$\begin{array}{l}\text{∴ Average }\\
=\Large\frac{1800}{48}\\
=37.5\end{array}$

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### If the arithmetic mean of 0, 5, 4, 3 is a, that of -1, 0, 1, 5, 4, 3 is b and that of 5, 4, 3 is c, then the relation between a, b, and c is.

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