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Q. If a, b,c and d are distinct positive...

Q. If `a, b,c` and d are distinct positive no. in AP. then
(A) `ad lt bc` (B) `a+c lt b+d` (c) `a+d=2(b+c)` (D) `a+d=3(b+c)`

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RD SHARMA ENGLISH-GEOMETRIC PROGRESSIONS-All Questions
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  2. a,b,c are positive real numbers forming a G.P. ILf ax^2+2bx+c=0and ...

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  3. Q. If a, b,c and d are distinct positive no. in AP. then (A) ad lt ...

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  4. Insert 6 geometric means between 27 and 1/(81)dot

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  5. Insert 5 geometric means between 16 and 1/4dot

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  6. Insert 5 geometric means between (32)/9a n d(81)/2dot

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  7. Find the geometric means of the following pairs of number: 2 and 8.

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  8. Find the geometric means of the following pairs of number: a^3b\ a n d...

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  9. Find the geometric means of the following pairs of number: -8\ a n d-2...

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  10. If a is the G.M. of 2\ a n d1/4, find adot

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  11. Find the two numbers whose A.M. is 25 and GM is 20.

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  12. If A and G are respectively arithmetic and geometric mean between posi...

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  13. The sum of two numbers is 6 times their geometric means, show that nu...

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  14. If A.M. and GM. of roots of a quadratic equation are 8 and 5, respe...

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  15. If AM and GM of two positive numbers a\ a n d\ b are 10 and 8 respecti...

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  16. If the fifth term of a G.P. is 2, then write the product of its 9 t...

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  17. If (p+q)^(t h)a n d\ (p-q)^(t h) terms of a G.P. re m\ a n d\ n respec...

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  18. If (log)x a ,\ a^(x//2) and (log)b x are in G.P., then write the value...

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  19. If the sum of an infinite decreasing G.P. is 3 and the sum of the squa...

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  20. If p^(th), q^(th) and r^(th) terms of G.P. are x,y,z respectively then...

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