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If a : b = 2/9 : 1/3, b : c = 2/7 : 5/14...

If a : b = 2/9 : 1/3, b : c = 2/7 : 5/14 and d : c = 7/10 : 3/5 then a : b : c : d is_____

A

4 : 6: 7 : 9

B

16 : 24 : 30 : 35

C

8 : 12 : 15 : 7

D

30 : 35 : 24 : 16.

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UNITED BOOK HOUSE-Ratio and proportion-Exercise
  1. The mean proportional between (3 + sqrt2) and (12 - sqrt32) is

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  2. The ratio 2^1.5 : 2^0.5 is the same as

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  3. If a : b = 2/9 : 1/3, b : c = 2/7 : 5/14 and d : c = 7/10 : 3/5 then a...

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  4. To get the ratio p : q (for p not equals to q) one has to add a number...

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  5. If a : (b + c) = 1 : 3 and c : (a + b) = 5 : 7, them b : (a + c) is eq...

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  6. The ratio of 25^2.5 : 5^3 is same as

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  7. If 2a = 3b = 8c, then a : b : c equals

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  8. Tom is chasing jerry. In the same interval of time Tom jumps 8 times w...

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  9. If a : b = b : c, then a^4 : b^4 is equal to

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  10. x, 12, y and 27 are in continued proportion. Then x + y equals

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  11. If b/(a+b)= (a+c-b)/(b+c-a)=(a+b+c)/(2a+b+2c) where a+b-c !=0, show th...

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  12. If f(x + y) = f(x) +f(y), then the value of f(0)

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  13. If 0.75 : x = 5 : 8, then x is equal to

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  14. In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 ...

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  15. The salaries A, B and C are in the ratio 2 : 3 : 5. If the increments ...

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  16. Whice of following ratios is greatest?

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  17. The third proportional to 0.36 and 0.48 is

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  18. If a carton containing a dozen mirrors is dropped, which of the follow...

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  19. What least number must be substracted from each of the numbers 14, 17,...

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  20. The least whole number which when substrated from both the terms of th...

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