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Write the value of n for which n t h ter...

Write the value of `n` for which `n t h` terms of the A.P.s 3,10,17. And 63,65,67. are equal.

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. Find the sum of the first n odd numbers

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

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  3. Write the value of n for which n t h terms of the A.P.s 3,10,17. And 6...

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  4. if m t h term of an A.P. is n\ a n d\ n t h term is m , then write its...

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  5. If the sums of n terms of two A.P.s are in ratio (3n+2):(2n+3) , find ...

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

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  7. If the sum of p terms of an A.P. is q and the sum of q terms is p, the...

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  8. If the sum of n terms of an A.P. be 3n^2-n and its common difference i...

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  9. Sum of all two digit numbers which when divided by 4 yield unity as re...

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  10. There are n A.M.s between 3 and 17. The ratio of the last mean to the ...

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  11. If Sn denotes the sum of first n terms of an A.P. <an> such that (Sm)/...

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

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

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  14. If the sum of n terms of an A.P. is 2n^2+5n ,\ then its nth term is ...

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  15. If a1,a2,a3,--- ,an are in A.P with common difference d (where d!=0)...

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  16. If the arithmetic progression whose common difference is nonzero the ...

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  17. Find the four numbers in A.P., whose sum is 50 and in which the greate...

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  18. If n arithmetic means are inserted between 1 and 31 such that the rati...

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

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  20. The first and last term of an A.P. are a and l respectively. If S is...

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