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Three numbers are in G.P. whose sum is 7...

Three numbers are in G.P. whose sum is 70. If the extremes be each multiplied by 4 and the means by 5, they will be in A.P. Find the numbers.

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RD SHARMA ENGLISH-GEOMETRIC PROGRESSIONS-All Questions
  1. The product of first three terms of a G.P. is 1000. If 6 added to its ...

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  2. Find three numbers in G.P. whose sum is 52 and the sum of whose pro...

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  3. Three numbers are in G.P. whose sum is 70. If the extremes be each ...

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  4. If the continued product of three numbers in G.P. is 216 and the sum o...

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  5. Find four numbers in G.P. whose sum is 85 and product is 4096.

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  6. Find the three numbers in G.P. , whose sum is 13 and the sum of whose ...

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  7. Find 4t h term from the end of the G.P. 3,6,12 ,24 , ... ,3072.

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  8. Which term of the G.P. 2,1,1/2,1/4,..... i s1/(128)?

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  9. Which term of the G.P. 5,10 ,20 ,40 , i s5120 ?

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  10. The fourth, seventh and the last term of a G.P. are 10 ,80a n d2560 re...

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  11. If a ,b ,c are respectively the p^(t h),q^(t h)a n dr^(t h) terms of a...

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  12. In a G.P. of positive terms if any terms is equal to the sum of next ...

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  13. The (m+n)th and (m-n)th terms of a G.P. are p and q respectively. Show...

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  14. If the p^(t h) ,q^(t h) and r^(t h) terms of a GP are a, b and c, r...

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  15. Find all sequences which are simultaneously A.P. and G.P.

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  16. Let S be the sum, P be the product and R be the sum of the reciproc...

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  17. If the A.M. of two positive numbers aa n db(a > b) is twice their geom...

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  18. Find the sum of the following geometric progression: 4,8,16,32....to 8...

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  19. If one A.M., A and two geometric means G1a n dG2 inserted between any ...

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  20. If a ,b ,c are in G.P. and a^(1//x)=b^(1//y)=c^(1//z), then x y z are ...

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