Question

DIRECTIONS for the question: Solve the following question and mark the best possible option.
If 2, a, b, c, d, e, f and 65 form an arithmetic progression, find out the value of 'e'.​

Answer 1

Answer:

you can get from formulae s=a+(n-1)d

65=2+7d

63=7d

d=9

then e will be 65-2d

65-18=47