A) 25
B) 25.5
C) 75
D) 51
Correct Answer: A
Solution :
\[a+b+c=3\times 8=24\] \[a+b+c+d+e=5\times 15=75\] \[\Rightarrow \]\[24+d+e=75\] \[\Rightarrow \]\[d+e=75-24=51\] Thus, mean of \['d'\] and \['e'=\frac{d+e}{2}=\frac{51}{2}=25.5\]You need to login to perform this action.
You will be redirected in
3 sec