Wipro Company Numerical Ability Averages

A class has two sections, in one of which there are 40 students with an average of 14.5 years. The average of the class is 14.2 years. If there be 32 students in the other section, its average age is :

a. 13.5 years
b. 13.6 years
c. 13.7 years
d. None

Read Solution (Total 2)

use alligation to solve answer be13.8
6 years agoHelpfull: Yes(0) No(0)

13.82 none of these (d)
4 years agoHelpfull: Yes(0) No(0)

Wipro Other Question

The average age of 30 students of a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 of them is 14 years. What is the average age of the remaining students ?

a. 8 years
b. 10 years
c. 12 years
d. 14 years The average of 50 numbers is 38. If two numbers, namely 45 and 55 are discarded, the average of the remaining numbers is :

a. 36.5
b. 37
c. 37.5
d. 37.52