Home
Class 14
MATHS
The average of 21 data is 36 out of whic...

The average of 21 data is 36 out of which the first 12 data are having an average of 15. The average of the rest 9 data is:

A

87

B

65

C

64

D

50

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

The average of 8,9,12,13,15,9 is :

The average of 20 numbers is 15 and the average of first five is 12.The average of the rest is

The average of 21 numbers is 12. The average of the first 11 numbers is 9 and the average of the last 11 numbers is 15. What is the value of the middle number ?

The average of 12 numbers is 15 and the average of the first two is 14. What is the average of the rest? (a) 15 (b) 15 1/5 (c) 14 (d) 14 1/5

The average of 13 results is 39. Average of first five is 38 and average of last 7 is 36. Find the value of the 6th number.