Wipro Company Numerical Ability Averages

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

Read Solution (Total 3)

Wipro Other Question

The average temperature of all 7 days of the week is 30, that of the first 3 days is 28 and of the next 3 days is 31. What is the temperature on the last day of the week?
A. 31
B. 30
C. 28
D. 33
E. 29
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