Wipro
Company
Numerical Ability
Averages
The average of 7 members is 39 and average of 3 of them is 27. Find the average of the other four.
A. 45
B. 48
C. 49
D. 47
E. 46
Read Solution (Total 3)
-
- 7 is 39.. 7*39=273
3 is 27.. 3*27=81
273-81=192/4=48 is avg of four - 9 years agoHelpfull: Yes(0) No(0)
- average of 7 =39
then overall number is :7*39=273
average of 3 =27
then overall number is:3*27=81
left number=273-81=192;
average of other number=192/4=48 - 9 years agoHelpfull: Yes(0) No(0)
- 39-27=12
12*4=48
opt: b - 9 years agoHelpfull: Yes(0) No(0)
Wipro Other Question
The average age of A and B is 20 years. If C replace A the average would be 19 and if C replaces B the average would be 21. What are the ages of A, B and C?
A. 22, 20, 18
B. 22, 18, 20
C. 18, 20, 22
D. 18, 22, 20
E. 22, 19, 20
If eight pounds of macadamia nuts, priced at $6.00 per pound, are combined with twelve pounds of brazil nuts, priced at $5.00 per pound, what is the per-pound price of the resulting mixture?
A. $5.40
B. $5.25
C. $5.50
D. $5.30
E. $5.20