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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 .  32.5
B .  37.5
C .  35
D .  36
Answer: Option B
Answer: (b)Required average = ${38 × 50 – 45 – 55}/48$ = $1800/48$ = 37.5

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