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If a ,b ,a n dc be in G.P. and a+x ,b+x ...

If `a ,b ,a n dc` be in G.P. and `a+x ,b+x ,and c+x` in H.P. then find the value of x(a ,b and c are distinct numbers) .

A

c

B

b

C

a

D

none of these

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B
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OBJECTIVE RD SHARMA ENGLISH-SEQUENCES AND SERIES-Exercise
  1. If n arithmetic means are inserted between 2 and 38, then the sum of t...

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  2. An A.P., and a H.P. have the same first and last terms and the same od...

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  3. If a ,b ,a n dc be in G.P. and a+x ,b+x ,and c+x in H.P. then find the...

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  4. The maximum sum of the series 20+19 1/3+18 2/3+ is 310 b. 300 c. 0320 ...

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  5. If 2 (y - a) is the H.M. between y - x and y - z then x-a, y-a...

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  6. If the roots of the equation x^3-12x^2 +39x -28 =0 are in AP, then the...

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  7. If the sum of the first n natural numbers is 1/5 times the sum of the ...

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  8. log3 2, log6 2, log12 2 are in

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  9. The value of 9^(1//3)xx9^(1//9)xx9^(1//27)xx…… to oo is

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  10. The following consecutive terms 1/(1+sqrtx), 1/(1-x), 1/(1-sqrtx) of ...

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  11. The sum of all two digit odd numbers is

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  12. If the sum of the series 2, 5, 8, 11, ... is 60100, then find the valu...

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  13. Given two numbers a and b. Let A denote the single A.M. and S denote t...

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  14. If underset(r=1)overset(n)Sigmar^4=I(n), " then "underset(r=1)overset(...

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  15. 0. 423 is equivalent to the fraction (94)/(99) (b) (49)/(99) (c) ...

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  16. If a,b,c are in A.P and a^2,b^2,c^2 are in H.P then which is of the fo...

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  17. The harmonic mean of two numbers is 4. Their arithmetic mean A and the...

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  18. The sixth term of an A.P., a1,a2,a3,.............,an is 2. If the quan...

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  19. If (x+y)/(1-xy),y,(y+z)/(1-yz) be in A.P., " then " x,(1)/(y),z will b...

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  20. If a , b, c, be in A.P. , b, c,d in G.P. and c.d.e.in H.P., then prov...

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