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The average of 50 numbers is 38. If two numbers, namely 45 and 55 are discarded, what is the average of the remaining numbers?
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- 38.5
- 36.5
- 35.5
- 37.5
- 38.5
Correct Option: D
The average of 50 numbers = 38
Sum total of 50 numbers = 38 × 50 = 1900
Sum total of remaining 48 numbers = 1900 – (45 + 55) = 1800
and their average = 1800 ÷ 48 = 37. 5.
