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If (a+b)/c=(b+c)/a=(c+a)/b=k ,\ t h e...

If `(a+b)/c=(b+c)/a=(c+a)/b=k ,\ t h e n\ k` is equal to `0` b. `1` c. `2` d. `a+b+c`

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RS AGGARWAL-RATIO AND PROPORTION-All Questions
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  2. Let a/b\ :-b/a=x : ydot\ If (x-y)={a/b+b/a}\ t h e n\ x is e...

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  3. If (a+b)/c=(b+c)/a=(c+a)/b=k ,\ t h e n\ k is equal to 0 b. 1 c....

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  4. If a : b=2:3\ a n d\ b : c=4:5,\ t h e n(a+b):(b+c) is equal to ...

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  5. If a ; b=c : d=e :f=1:2,\ t h e n\ (3a+5c+7e):(3b=5d+7f) 1:2 b. 1:...

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  6. Given a:b=5:3 and b:c = 2:5 Which of the following is true?

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  7. If c=50 ,\ the value of a+b+c will be more than 50 but le...

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  9. If a b : b+c : c+a=6:7:8\ a n d\ a+b+c=14 ,\ then the value of ...

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  10. The fourth proportional to 5,8,15 is 17 b. 14 c. 56 d. 24

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  11. Fourth proportional to(a^2-b^2\ ),\ (a^2-a b),\ (a^3+b^3) is (a-b) ...

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  12. The third proportional to 38 and 15 is (15xx15)/(38) b. (38xx15)/2 ...

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  13. The third proportional to (x^2-y^2)a n d\ (x-y) is (x+y) b. (x-y) c...

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  14. The mean proportional between 234 and 104 is a. 12 ...

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  15. The mean proportional between 0.02 and 0.32 is a. 0.3     b. 0.08 ...

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  16. The mean proportional between (3+sqrt(2))a n d\ (12-sqrt(32)) is sq...

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  17. The ratio between the third proportional of 12 and 30 and mean prop...

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  18. The product of the duplicate ratio of 2a :6b\ a n d\ the recipr...

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  19. Find the two numbers whose mean proportion is 12 and the third prop...

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  20. The present ages of A, B, and C are in the ratio of 8:14:22 respect...

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