Wipro Company Numerical Ability Averages

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

Read Solution (Total 1)

it will be 140
9 years agoHelpfull: Yes(1) No(0)

Wipro Other Question

The average of first 20 multiples of 7 is:
A. 66.5
B. 67.5
C. 73.5
D. 74.5
E. 69.5 In 5 compulsory subjects a candidate secures an average of 60%. In 2 optional subjects he secures equal marks and when these are added to his total, his average drops by 4%. How much did he secure in each optional subjects?
A. 56%
B. 52%
C. 50%
D. 46%
E. 48%