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In a college union , there are 48 studen...

In a college union , there are 48 students .The ratio of the number of boys to the number of girls is `5:3` .the number of girls to be added in the union , so that the number of boys to girls in `6:5` is

A

6

B

7

C

12

D

17

Text Solution

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The correct Answer is:
B
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KIRAN PUBLICATION-RATIO AND PROPORTION -TYPE-III
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  7. If 6A = 11B = 7C: find A : B : C.

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  8. If 2A = 3B and 3B = 2C, then what is A:B: C?

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  9. If A/3 = B/2 = C/5, then what is the valuee of ratio (C+A)^(2) : (A + ...

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  10. If A : B = 2 : 5, B : C = 4 : 3 and C:D = 2:1, what is the value of A ...

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  11. What number should be added to each of the numbers 94, 24, 100 and 26,...

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  12. What is the fourth proportional to 24, 120 and 22?

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  13. If A's wealth is 4/9 times of B's and C's is 7/6 times of B's. what i...

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  14. If B : A = 2 : 3 and A : C = 5 : 7, then what is (A + B): (B + C)?

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  15. Marks of X and Y are in the ratio 3:11 respectively. If the marks of X...

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  16. If a-b:b-c:c-d=1:2:3, then what is the value of (a + d): c?

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  17. If x:y:z = 3:5:8 and 9y - 2x + z = 141, then what is the value of y?

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  18. What Is the third proportional to 10 and 20 ?

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  19. If 6A=4B=9C ,What is A:B:C ?

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  20. What is the fourth proportional to 189, 273 and 153?

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