Question

for what value of k three terms k+3,7 and 15 will be in AP

Answer 1

Answer:

For a series to be in AP, the numbers should have a common difference.

Therefore, 7-k-3 = 15-7

Or, 4-k = 8

Or, -k = 4

Or, k= -4

When K = -4 , then the numbers will be in AP.