Aptitude  Number series  Practice Q&A

1. Find the sum of first 25 natural numbers.

325 225 300 425

2. Find the sum of first 100 natural numbers.

4550 5050 6050 6550

3. Find the sum of the squares of first 35 natural numbers.

12910 13910 14910 15910

4. Find the sum of the squares of first 10 odd natural numbers.

1220 1110 1330 1440

5. Find the sum of the squares of first 75 odd natural numbers.

511765 487560 562475 401735

6. Find the sum of the squares of first 15 even natural numbers.

4120 4960 4190 4020

7. Find the sum of the squares of first 45 even natural numbers.

125580 155550 135450 145550

8. Find the sum of first 25 even numbers.

550 600 625 650

9. Find the sum of first 100 even numbers.

10000 10100 11000 11100

10. Find the sum of first 20 odd numbers.

200 400 600 100

 

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Total Ans

 

 

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