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If the sum of the series 24, 20, 16 ….. ...

If the sum of the series 24, 20, 16 ….. Is 60 then the number of terms is

A

0

B

3

C

13

D

25

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-SEQUENCES AND SERIES -EXERCISE
  1. How many terms are added in 24 + 20 + 16 + …… to make the sum 72 ?

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  2. In an A.P., if common difference is 2, sum to n terms is 49, 7th term ...

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  3. If the sum of the series 24, 20, 16 ….. Is 60 then the number of terms...

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  4. IF 8th term of an A.P. is 15, then the sum of 15 terms is

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  5. If 10th term of an A.P is 13, then the sum of 19 terms =

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  6. If the sum of the first ten terms of an A.P is four times the sum of i...

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  7. If the sum of the three numbers in A.P is 15 and their product is 45, ...

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  8. If the sum of three numbers which are in A.P is 27 and the product of ...

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  9. If the sum of three numbers which are in A.P is 15 and the sum of the ...

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  10. If the sum of four numbers in A.P is 24 and the sum of their square is...

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  11. Let T(r) be the rth term of an A.P, for r = 1,2 …. If for some positiv...

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  12. If a and x are positive integers such that x lt a and sqrt(a - x ), sq...

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  13. If the length of sides of right angled triangle are in A.P., then the ...

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  14. If three positive real numbers a,b, c are in A.P such that abc = 4, th...

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  15. If log(5) 2, log(5) (2^(x)-5 ) log(5) (2^(x) - 7//2) are in A.P ., th...

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  16. If a(1),a(2),a(3),………. are in A.P. such that a(1) + a(5) + a(10) + a(1...

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  17. Four numbers are in arithmetic progression. The sum of first and last ...

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  18. The ratio of the sums of m arithmatic means and n arithmatic means bet...

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  19. Between 1 and 31 are inserted m arithmetic means, so that the ratio of...

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  20. If a(1), a(2) ……… a(n) are in A.P with common difference d ne 0, then ...

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