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For what value of n,are the n^(th) term...

For what value of n,are the `n^(th)` terms of two A.P.s 63, 65, 67... and 3, 10, 17... equal?

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PSEB-ARITHMETIC PROGRESSIONS -EXERCISE
  1. How many three-digits numbers are divisible by 7 ?

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  2. How many multiples of 4 lie between 10 and 250 ?

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  3. For what value of n,are the n^(th) terms of two A.P.s 63, 65, 67... a...

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

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  5. Find the 20^(th) term from the last term of the AP : 3, 8, 13,……..,253...

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  6. The sum of the 4^(th) and 8^(th) term of an AP is 24 and the sum of th...

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  7. Subba Rao started work in 1995 at an annual salary of $5000 and receiv...

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  8. Ramkali saved $ 5 in the first week of a year and then increased her w...

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  9. Find the sum of the following APs :- 2, 7, 12, ... to 10 terms.

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  10. Find the sum of the following APs :- - 37, - 33, - 29,... to 12 terms

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  11. Find the sum of the following APs :- 0.6, 1.7, 2.8, ... to 100 terms.

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  12. Find the sum of the following APs :- 1/15 ,1/12 ,1/10,…. To 11 terms .

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  13. Find the sums given below :- 7+10 1/2 +14+….+84 .

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  14. Find the sums given below :- 34 + 32 + 30 + ... + 10 .

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  15. Find the sums given below :- - 5 + (- 8) + (- 11) +...+ (- 230).

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  16. In an AP :- given a = 5, d = 3, an = 50 find n and Sn.

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  17. In an AP :- given a = 7, a13 = 35 find d and S13.

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  18. In an AP :- given a12 = 37, d = 3, find a and S12.

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  19. In an AP :- given a3 = 15, d , S10=125 find d and a10.

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  20. In an AP :- given d = 5, S9=75, find a and a9.

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