A) 5
B) 20
C) 8
D) 15
Correct Answer: A
Solution :
Mean of 75 numbers = 25 \[\therefore \]Sum of 75 number\[=75\times 25\] If each number is divided by 5, the sum is also divided by 5. New sum \[=\frac{725\times 25{{/}^{5}}}{5/}=75\times 5\] New mean \[=\frac{75\times 5}{75}=5\]
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