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How many terms of an A.P. 9,17,25,….m mu...

How many terms of an A.P. 9,17,25,….m must to be taken to give a sum of 636?

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How many terms of the A.P.: 9,17,25,.... must be taken to give a sum of 636?

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AGRAWAL PUBLICATION-ARITHMETIC PROGRESSIONS-EXAMPLE
  1. If the sum of the first 7 terms of an A.P. is 49 and that of its first...

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  2. If the sum of first p terms of an A.P. is equal to the sum of the firs...

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  3. How many terms of an A.P. 9,17,25,….m must to be taken to give a sum o...

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  4. Among the natural numbers 1 to 49, find a number x, such that the sum ...

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  5. The 14^(th) term of an AP is twice 8^(th) term. If its 6^(th) term is ...

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  6. The digits of a positive number of three digits are in A.P and their s...

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  7. The digits of a positive number of three digits are in A.P and their s...

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  8. Find the sum of first 24 terms of an A.P. whose n^(th) term is given b...

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  9. Determine the A.P. whose third term is 16 and 7^(th) term exceeds the ...

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  10. The 26^(th), 11^(th) and the last term of an AP are 0,3 and 1/5 respec...

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  11. Find the sum of the following series: 5 +(-41) 9 +(-39) + 13 + (-37) ...

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  12. The sum of four consecutive number in AP is 32 and the ratio of the pr...

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  13. Solve : 1 +4 +7 + 10 +…….+ x=287.

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  14. The sum of the first 5 terms of an AP and the sum of the first 7 terms...

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  15. Find the sum of those integers between 1 and 500 which are multiples ...

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  16. Find the sum of those integers from 1 to 500 which are multiples of ...

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  17. Find the sum of those integers from 1 to 500 which are multiplies of...

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  18. An AP consists of 37 terms. The sum of the 3 middle most terms is 225 ...

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  19. If the sum of the first 'p' terms of an A.P is 'q' and sum of the firs...

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  20. Find the sum of the integers between 100 and 200 that are: divisible ...

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