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If the average of the first n numbers in...

If the average of the first n numbers in the sequence 148, 146, 144,….., is 125, then n =

A

18

B

24

C

30

D

36

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-EAMCET - 2016 TS-Questions
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  7. The vectors 2i - 3j + k, I - 2j + 3k, 3i + j - 2k

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  8. ABCD is a parallelogram and P is themid point of the side AD. The line...

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  9. If ABCDEF is a regular hexagon with centre O , then P.T bar(AB)+bar(A...

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  12. If Delta ABC is such that angleA = 90^(@), angleB != angleC, then (b^(...

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  13. For theta in (0, (pi)/(2)). Sec h^(-1)(cos theta) =

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  14. The value of x which satisfies sin(Cot^(-1) x) = cos(Tan^(-1) + (1+x))...

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  15. If f(x) = cos^(2) x + cos^(2) 2x + cos^(2) 3x, then the number of val...

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  17. (cos 13^(@) - sin 13^(@))/(cos 13^(@) + sin 13^(@)) + (1)/(cot 148^(@)...

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  18. If f(x) = x^(2) - 2x + 4 then the set of values of x satisfying f(x - ...

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  19. The number of real linear functions f(x) satisfying f(f(x)) = x + f(x)...

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