A) 64 kg
B) 72 kg
C) 75 kg
D) 80 kg
Correct Answer: C
Solution :
[c] \[A+B+C=3\times 84=252\,\,kg\] \[A+B+C+D=4\times 80=320\,\,kg\] \[\therefore \] \[D=320-252=68\,\,kg\] \[\therefore \] \[E=68+3=71\,\,kg\] Now, \[\frac{320-A+71}{4}=79\] \[\therefore \] \[A=75\,\,kg\]You need to login to perform this action.
You will be redirected in
3 sec