Wipro Company Numerical Ability Averages

The average of first 20 multiples of 7 is:
A. 66.5
B. 67.5
C. 73.5
D. 74.5
E. 69.5

Read Solution (Total 2)

7(1+2+...........20)/20
73.5
11 years agoHelpfull: Yes(2) No(3)

ans.(c)
(20*7+7)/2=73.5
6 years agoHelpfull: Yes(1) No(0)

Wipro Other Question

The average age of a committee of 8 members is 40 years. A member, aged 55 years, retired and he was replaced by a member aged 39 years. The average age of the present committee is:
A. 39 years
B. 38 years
C. 36 years
D. 35 years
E. 37 years The average age of students of a school is 15 years. 10 students of average age 12 years join the school and the average age of a student of the school becomes 14.8 years. The original strength of the school was:
A. 60
B. 80
C. 120
D. 140
E. 100