Wipro Company Numerical Ability Averages

The average of 5 numbers is 7. When 3 new numbers are added, the average of the eight numbers is 8.5. The average of the three new numbers is :

a. 11
b. 7.75
c. 8.5
d. 7

Read Solution (Total 1)

sum of 5 no.=5*7=35
sum of 8 no. =8*8.5=68
sum of new 3 no.=68-35=33
avg of 3 new no.=33/3=11
8 years agoHelpfull: Yes(0) No(0)

Wipro Other Question

The total of the present ages of P, Q, R and S is 96 years. To find out Q's present age, which of the following informations given in statements A and B is/are sufficient ? A. The average age of P, Q and S is 20 years. B. The average age of R and S is 25 years.

a. Both A and B are needed
b. Both A and B are not sufficient
c. Only B is sufficient
d. Only A is sufficient The average age of 30 students is 9 years. If the age of their teacher is included, it becomes 10 years. The age of the teacher (in years) is :

a. 27
b. 31
c. 35
d. 40