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If 18, xand 50 are in continued proporti...

If 18, xand 50 are in continued proportion, then the value of x is

A

30

B

3

C

5

D

32

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The correct Answer is:
A
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KIRAN PUBLICATION-RATIO AND PROPORTION -TYPE-III
  1. Find two mean proportionals between 2 and 54.

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  2. Which of the following represents a correct proportion ?

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  3. If 18, xand 50 are in continued proportion, then the value of x is

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  4. If A: B = 7 : 9 and B : C = 3 : 5, then A: B : C is equal to

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  5. If x : y = 5:2, then (8x + 9y)/(8x + 2y) = ?

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  6. The ratio of the length of a school ground to its width is 5 : 2. If t...

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  7. Ifx : y : : 2 : 3 and 2 : x : : 4 : 8 the value of y is

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  8. If (a+b) : sqrt(ab) = 4:1, where a gt b gt 0, then a: b is:

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  9. What must be added to each term of the ratio 2:5 so that it may equal ...

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  10. If A :B=2 : 3 and B : C=3 :7, then A+B : B+C : C+A is.

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  11. If (x^3- y^3) : (x^2 + xy + y^2) = 5 : 1 and (x^2 - y^2) : (x - y) = 7...

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  12. The mean proportion of 1.21 and 0.09 is

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  13. The numbers x, y and z are respectively proportional to 2,3 and 5 and ...

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  14. Rs. 2420 were divided among a,B C so that A:B=5:4andB:C=9:10 then C ...

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  15. Among 132 examines of a certain school , the ratio of successful and...

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  16. In a regiment the ratio between the number of officers to soldiers was...

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  17. The ratio of number of boys and girls in a school of 720 students is 7...

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  18. The number of pupils of a class is 55. The ratio of the number of male...

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  19. Sum of two numbers is thrice their difference. Their ratio is

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  20. The compound ratio of the inverse ratios of the ratios x : yz, y : zx,...

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