Question

fill the colour in the halfy Part of the
or make thick with Pencil.
​

Answer 1

Step-by-step explanation:

Let A

1

,A

2

n

are n A.Ms inserted between 7 and 71.

So the common difference is d=

n+1

71−7

=

n+1

64

Thus the fifth A.M will be A

5

=7+5d=7+

n+1

64×5

=27 (given)

⇒n+1=

20

64×5

=16⇒n=15

Hence, option 'C' is