Practicing Success
What is the sum of all the natural numbers from 1 to 100 ? |
5020 6000 5050 4920 |
5050 |
Data series is :- 1 , 2, 3, 4,.....................,100 a = 1 , d = 1 and n = 100 Sum of Arithmetic progression is :- S = \(\frac{n}{2}\)( 2a+ (n-1)d ) = \(\frac{100}{2}\)( 2 × 1 + (100-1)1 ) = 50 ( 2 × 1 + (100-1)1 ) = 50 ( 2 + 99) = 5050 The correct answer is option (3) : 5050 |