A) 28
B) 30
C) 35
D) 38
Correct Answer: D
Solution :
[d] Mean of 5 numbers = 30 \[\therefore \] Total sum of 5 numbers \[=30\times 5=150\] After excluded one number Mean of 4 number will be = 28 \[\therefore \]Total sum of 4 numbers \[=4\times 28=112\] Thus, excluded number = (sum of 5 numbers - sum of 4 numbers) \[=150-112=38\]You need to login to perform this action.
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