Wipro Company Numerical Ability Averages

The average of three numbers is 20. If two numbers are 16 and 22, the third is :

a. 22
b. 20
c. 19
d. 18

Read Solution (Total 5)

(16+22+x)/3=20
x=22
12 years agoHelpfull: Yes(3) No(0)

Ans:20*3-(16+22)=22
12 years agoHelpfull: Yes(1) No(0)
we Assume 3 numbers A,B,C
A=16
B=22
C=?
A+B+C/3=16+22+C/3=20
38+C/3=20
38+C=60
C=22
9 years agoHelpfull: Yes(0) No(0)
16+22+22=60|3=20
8 years agoHelpfull: Yes(0) No(0)
(16+22+22)/3=20
option. a
8 years agoHelpfull: Yes(0) No(0)

Wipro Other Question

There are three sections of a class in a school. The number of students in the three sections is 38, 32 and 40 and the average age of the students in these sections separately is 15.3 years, 16.5 years and 15.9 years respectively. What is the average age of the class ?

a. 15.9 yrs
b. 15.92 yrs
c. 15.96 yrs
d. None The average of two numbers is M. If one number is N, then the other number is :

a. 2N
b. 2M
c. M - N
d. 2 M-N