ആദ്യ 100 എണ്ണൽ സംഖ്യകളുടെ ആകെ തുക എന്താണ്?

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Find the sum of the first 100 natural numbers :

A5050

B5005

C9900

D9050

Answer:

A. 5050

Read Explanation:

first term = 1 n=100 sum = n/2 [first term + last term] = 100/2 [1+100] =50×101 =5050

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