Question

20. What is the sum of first 15 natural
numbers.
(a ) 325
(b ) 175
(c ) 105
(d) 120
m
15/161
n(n+2)

Answer 1

Answer:

120 is the sum of natural numbers upto 15.

Answer 2

Answer:

1+2+3+4+5+6+7+8+9+10+11+12+13+14+15

120