Question

find the sum of first 25natural no.

Answer 1

Answer:

TO FIND:

Sum of first 25 natural numbers.

FIRST 25 NATURAL NUMBERS:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25

FORMULA:

n(n+1)/2 where ‘n’ is the largest number.

⇒ 25(25+1)/2

= 25×26/2

= 25×13

= 325

CONCLUSION:

The sum of the first 25 natural numbers = 325

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