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If pth, qth, rth terms of an A.P are a,b...

If pth, qth, rth terms of an A.P are a,b,c then a(q - r ) + b(r - p ) + c(p - q) =

A

0

B

1

C

pqr

D

abc

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DIPTI PUBLICATION ( AP EAMET)-SEQUENCES AND SERIES -EXERCISE
  1. If the sum of three numbers in G.P is 21 and their product is 216, the...

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  2. If the sum of three numbers in G.P is 7/64 and the product of the extr...

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  3. If pth, qth, rth terms of an A.P are a,b,c then a(q - r ) + b(r - p ) ...

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  4. Let S(1),S(2),S(3), …. Are squares such that for each nge1, The lengt...

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  5. In G.P (p + q)th term is m, (p -q)th term is n, then pth terms is

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  6. If 2pth term of a G.P is q^(2) and 2qth term is P^(2) , then (p + q)th...

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  7. If g(1), g(2), g(3) are three geometric means between two positive num...

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  8. What is the G.M. of 6 and 24?

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  9. One of the 5 geometric means between (1)/(3) and 243 is

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  10. If x,y,z are the three geometric means between 6,54, then z =

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  11. IF the A.M and G.M of two numbers are 13 and 12 respectively. Find the...

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  12. Let x be the arithmetic mean y,z be the two geometric means between an...

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  13. 10th term of the hearmenie progression is (2)/(1) + 2 (1)/(2) + 3 (1)/...

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  14. If the fourth term of a H.P is 1/3 and 7th term is 1/4, then 16th term...

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  15. If the third and seventh terms of a H.P. are 1/7, 1/15 respectively, t...

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  16. If mth terms of H.P is n and nth term is m, then (m + n)th term is

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  17. If a,b,c are in H.P and ab + bc ca = 15, then ca =

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  18. If a(1), a(2),…a(n) are in H.P. then a(1).a(2) + a(2).a(3) + a(3).a(4)...

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  19. The cotangents of the angles pi//3, pi//4, pi//6 are in

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  20. If three are four harmonic means between 1/12, 1/42, then the third h...

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