The average of any 5 consecutive odd natural numbers is k . If two more such numbers , just next to the previous 5 numbers are added , the new average becomes	Options
A) k+8 B) k+1 C) k+9 D) k+2 E) k+4
Explanation:   The 5 consecutive odd numbers whose average is k are (k-4), (k-2), k, (k+2), (k+4)   Again the average of (k-4), (k-2), k, (k+2), (k+4), (k+6), (k+8) is (k+2)   Answer: k+2
<result>D</result>
The average of any 5 consecutive odd natural numbers is k . If two more such numbers , just next to the previous 5 numbers are added , the new average becomes