Question

What is the sum of $30$ consecutive odd numbers starting from $1$ ?

• A. $600$
• B. $300$
• C. $900$
• D. $150$

Answer 1

The correct option is C $900$

Sum of $n$ consecutive odd numbers starting from $1=n^2$
Here,
Sum of $30$ consecutive odd numbers starting from $1={30}^2=900$