The average of 12 numbers is 18. Find the new average when
A. The average of first 10 numbers is 20.
B. Each number is multiplied by 6.

Options

A. if the data instatement A alone is sufficient to answer the question.
B. if the data in statement B alone is sufficient to answer the question.
C. if the data either in statement A alone or instatement B alone is suffieient to answer the question
D. if the data given in both statements A and B together are not sufficient to answer the question.

Answer

B

Explanation

From statement A, we get
Sum of the fiest 10 numbers `=10xx20=200" "…(i)`
Statement B alone is sufficient to get the required answer.
From statement B, we get new average
`=(18xx6)=108" "…(ii)`
Statement B alone is sufficient to get the required answer.