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Write the n t h term of an A.P. the s...

Write the `n t h` term of an A.P. the sum of whose `n` terms is `S_n` .

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The n t h term of an A.P., the sum of whose n terms is S_n , is (a) S_n+S_(n-1) (b) S_n-S_(n-1) (c) S_n+S_(n+1) (d) S_n-S_(n+1)

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. Write 5t h term from the end of the A.P. 3,\ 5,\ 7,\ 9,\ ddot,\ 201...

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  2. Write the value of x for which 2x ,\ x+10 and 3x+2 are in A.P.

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  3. Write the n t h term of an A.P. the sum of whose n terms is Sn .

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  4. Write the sum of first n odd natural numbers.

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  5. Write the sum of first n even natural numbers.

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  6. If the sum of n terms of an A.P. is Sn=3n^2+5n . Write its co...

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  7. Write the expression for the common difference of an A.P. whose fir...

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  8. First the term of an A.P is p and its common difference is q. Find its...

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  9. For what value of p are 2p+1,\ 13 ,\ 5p-3 are three consecutive ...

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  10. If 4/5,\ a ,\ 2 are three consecutive terms of an A.P., then find t...

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  11. If the sum of first p terms of an AP is ap^2+bp find the common differ...

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  12. If 7th and 13th terms of an A.P. be 34 and 64 respectively, then its...

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  13. If the sum of P terms of an A.P. is q and the sum of q ter...

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  14. The sum of n terms of an AP is 3n^2+nand its common difference is 6,th...

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  15. The first and last terms of an A.P. are 1 and 11. If the sum of its ...

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  16. If the sum of n terms of an A.P., is 3n^2+5n then which of its terms i...

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  17. If the sum of n terms of an A.P. is 2n^2+5n , then its n t h ...

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  18. If the sum of three consecutive terms of an increasing A.P. is 51 a...

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  19. If four numbers in A.P. are such that their sum is 50 and the great...

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  20. Let Sn denote the sum of n terms of an AP whose first term is a. If co...

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