Question

Shilpa had some chocolates. She distributed these chocolates among 13 children in such a
way that she gave one chocolate to first child, 3 chocolates to second child, 5 chocolates to
third and so on. Find the number of chocolates Shilpa had.

Answer 1

Answer:

169

Step-by-step explanation:

1+3+5+7+9+11+13+15+17+19+21+23+25 =169

Answer 2

Answer:

a=1 d=2 n=13 Sn=?

Sn=n/2 (2a+n-1*d)

therefore 13/2 *(2+ 24

=6.5 *26

=169