The sum of first 49 natural numbers is:

Options
- 2450
- 1225
- 1500
- None

CORRECT ANSWER : 1225

Discussion Board
Answer

Sum = n(n+1)/2.
= 49(49+1)/2
= 49(50)/2.
=49 *25.
= 1,225.

YogaVamsi Tondapu 04-23-2024 12:09 AM

Answer

Sum = n(n+1)/2.
= 49(49+1)/2
= 49(50)/2.
=49 *25.
= 1,225.

Vamsi 04-23-2024 12:08 AM

Arithmetic series

The sum of the first 49natural numbers


Navya Bobde 02-21-2022 10:55 AM

Arithmetic series

The sum of the first 49natural numbers


Navya Bobde 02-21-2022 10:55 AM

Another way

1 + 49, 2 + 48, 3 + 47 ..... 24 * 50 + 25 = 1225

Ran 05-27-2017 10:07 AM

Arithmetic Series

Sum = n * (First + Last) / 2
Sum = 49 * (1 + 49) / 2
Sum = 49 * 50 / 2
Sum = 2450 / 2
Sum = 1225

Ioannis 10-30-2014 10:49 AM

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Fakhrul Ahsan 02-2-2014 12:59 AM

complement

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Fakhrul Ahsan 02-2-2014 12:59 AM

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