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Find the sum of first n natural numbers ...

Find the sum of first `n` natural numbers Hence find `S_(150)`.

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UNIQUE PUBLICATION-ARITHMETIC PROGRESSION-Unique Practice Session
  1. Find t(n) for the following A.P. and then find 45^(th) term of the A....

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  2. Find the first four terms of an A.P. whose first term is -3 and common...

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  3. Find the sum of first n natural numbers Hence find S(150).

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  4. Find the sum of all odd numbers from 1 to 150.

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  5. Which of the following sequences are A.P. ? If it is an A.P., find nex...

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  6. Which of the following sequences are A.P. ? If it is an A.P., find nex...

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  7. Which of the following sequences are A.P. ? If it is an A.P., find nex...

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  8. Which of the following sequences are A.P. ? If it is an A.P., find nex...

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  9. The first term a and common difference d are given. Find first four te...

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  10. The first term a and common difference d are given. Find first four te...

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  11. The first term a and common difference d are given. Find first four te...

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  12. The first term a and common difference d are given. Find first four te...

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  13. Find the sum of first n natural numbers.

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  14. Find the sum of first n even natural numbers.

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  15. Find the sum of first n odd natural numbers.

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  16. In an A.P. sum of three consecutive terms is 36 and their product is -...

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  17. First term and common difference of an AP are 10 and -4 respectively f...

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  18. In an AP 18^(th) term is 180 and 36^(th) term is 360 find the sum of f...

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  19. Find four consecutive terms in an A.P. whose sum is -8 and sum of thir...

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  20. In a certain A.P. the 24 t h term is twice the 10 t h term. Prov...

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