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Q.
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
A.
2(k+1)
B.
2k-3
C.
2k+1
D.
k+2
View Answer
Correct choice: D
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)
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