Which of the following is the sum of the first 30 natural nambers?

Which of the following is the sum of the first 20 natural numbers?

Choose the correct alternative from those given below each question: Which of the following is the sum of the first 10 natural numbers?

What is the sum of the first 30 natural numbers?

What is the sum of first 30 natural numbers?

Sum of the first 10 natural numbers is

Find the sum of the first 20 natural numbers.

Find the sum of the first 50 natural numbers.

What is the sum of first 20 natural numbers?

The sum of first 30 natural numbers is:

Find the sum of : the first 120 natural numbers