The average of 6 numbers is 7. The average of the three numbers of them is 5. What will be the average of remaining numbers?

(a) 15 (b) 30 (c) 9 (d) 42

The average of 6 numbers is 7. The average of the three numbers of them is 5. What will be the average of remaining numbers?

(a) 15 (b) 30 (c) 9 (d) 42

1 Answer

127 votes

Average of 6 numbers = 7.

Sum of 6 numbers = 6

Average of 3 numbers = 5.

Sum of 3 numbers = 5

Sum of remaining 3 numbers =

Required average =

127 votes

127