Question

The sum of all odd number less than 10 is​

Answer 1

Step-by-step explanation:

sum of first n odd natural numbers= n²

odd natural numbers are 1 3 5 7 and 9

n=5

therefore,

sum of all odd natural

numbers less than 10=5²

=25

hope this is helpful

Answer 2

Note : Sum of first n odd natural number is = n^2

So,

Sum of the first 5 odd natural numbers:

= 5²

= 25

Therefore, Sum of all odd numbers less than 10 = 25.

Hope it helps!