###
**The mean of 20 items is 55. If two items 45 and 30 are removed, the new mean of the remaining items is :**

A. 65.1
B. 65.3
C. 56.9
D. 56
**Answer: Option C**

## Show Answer

Solution(By Apex Team)

According to the question,
Mean of 20 items is = 55
Sum of 20 items is
= 55 × 20 = 1100
Two items removed
= 45 + 30 = 75
Now, sum of 18 items
= 1100 – 75
= 1025
∴ Average
$\large=\frac{1025}{18}$
= 56.9

## Related Questions On Average

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D. 32

### Find the average of all the numbers between 6 and 34 which are divisible by 5.

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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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C. 4a = 5b = c

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