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The sum of 15 terms of the A.P. 4, 7, 10...

The sum of 15 terms of the A.P. 4, 7, 10, ………. Is

A

385

B

475

C

375

D

325

Text Solution

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The correct Answer is:
C
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VGS PUBLICATION-BRILLIANT-PROGRESSIONS-Creative Bits for CCE Model Examination
  1. Which term of the A.P 100 , 90, 80, ……….. Is zero?

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  2. (a+3d), (a+d), (a-d), ………… the next term of the A.P. is

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  3. The sum of 15 terms of the A.P. 4, 7, 10, ………. Is

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  4. If a(7) - a(3) = 32, then the common difference of the A.P. is

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  5. a(28)-a(23) = 15, then the common difference of the A.P. is

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  6. if a, b,c are in A.P. then b =

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  7. The 17^(th) term of 1.1, 2.2, 3.3, 4.4, ………….. Is

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  8. The 25^(th) term of -300, -290, -280,………. is

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  9. How many numbers are divisible by 4 lying between 101 and 250 ?

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  10. The common ratio of the G.P. 3, 6, 12, 24, ………. Is

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  11. The common ratio of the G.P. 144, 36, 9,………… is

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  12. The 103^(rd) term of 1, -1, 1, -1, ….. is

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  13. Which term of the G.P. 2, 6,18,54,……………… is 2 xx 3^(10)?

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  14. If a(7) + a(4) of a G.P. is 343, then the common ratio is

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  15. If a, b, c are in G.P., then b =

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  16. If 4, x, 9 are in G.P. , then x =

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  17. If 3, x, 11 are in A.P. , then x =

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  18. If x, xy , xy^(2), xy^(3), …………. Forms a G.P., then its 15^(th) term i...

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  19. if a = 3 and a(7) = 33, then a(11) is

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  20. -20, -18, -16, ………… which term of this A.P. is a first positive term?

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