Question

sum of first 8 odd prime number is​

Answer 1

The number five can be divided into two groups of two and one group of one. Even numbers always end with a digit of 0, 2, 4, 6 or 8. 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 are even numbers. Odd numbers always end with a digit of 1, 3, 5, 7, or 9.

Answer 2

We know that,

Sum of n odd numbers = n^2

Then,

Sum of 8 odd numbers= 8^2=64..

Hope it helps