CUET Preparation Today
CUET
General Test
Quantitative Reasoning
Simplification
The sum of 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 +19 is:
121
120
110
100
Sum of n odd numbers = 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 +19
= 100