Question

The value of £5 (sum of first 5 natural numbers) is
A) 10 B) 15 C) 20 D) 25 ​

Answer 1

Answer:

Correct option is

B

15

The sum of firt natural numbers is given as

2

n(n+2)

2

5(6)

5×3=15

Answer 2

therfore , option b is correct