Question

Q29. The average of 15 observations is 20.Average of first 5is 16 and next 7 is 22.If 13th
observation is 2 more than 14 and 14th observation is 2 more than 15th observation. Find the
15th observation
O(A) 20
(B) 12
O(C) 6
O (D) 30​

Answer 1

Answer:

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