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If a:b:c=7:3:5, then (a+b+c): (2a+b-c) e...

If a:b:c=7:3:5, then (a+b+c): (2a+b-c) equal to

A

`1:2`

B

`2:3`

C

`3:4`

D

`5:4`

Text Solution

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The correct Answer is:
D
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S CHAND IIT JEE FOUNDATION-RATIO AND PROPORTION-QUESTION BANK-15
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  2. 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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  3. If a: b=b:c, then a^(4): b^(4) is equal to

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  4. If x:y = 3 : 2, then the ratio 2x^(2) + 3y^(2) : 3x^(2) - 2y^(2) is e...

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  5. If a : b = c : d = e : f = 1 : 2, then (pa + qc + re) : (pb + qd + rf...

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  6. If a :(b+c)=1:3\ a n d\ c :(a+b)=5:7,\ t h e\ b :(a+c) is equal to 1:2...

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  7. If p : q : r=1:2:4,\ t h e n\ sqrt(5p^2+q^2+r^2) is equal to 5 b...

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

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  9. Ifb is, the mean proportional of a and c, then (a-b)^(3): (b-c)^(3) eq...

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  10. Ifx:a=y:b-=z:c then (ax-by)/((a+b)(x-y))+(by-cz)/((b+c)(y-z))+(cz-ax...

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  11. A sum of money is divided among A, B, C and Din the ratio 3:5:7:11 res...

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  12. If a+b:b+c:c+a = 6:7:8 anda + b+ c =14, then find c.

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  13. A profit of Rs 6000 is be distributed among A, B and C in the ratio 3:...

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  14. Rs. 2010 are to be divided among A, B, C in such a way that if A ge...

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  15. Rs. 180 are to be divided among 66 men and women. The ratio of the ...

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  16. An amount of 53 is divided among A, B and C such that A gets Rs. 7 ...

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  17. 15 men, 18 women and 12 boys working together earned Rs. 2070: If t...

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  18. Krishnamurthy started business investing Rs 6000. Three months later M...

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  19. The incomes of A,B,C are in the ratio of 12:9:7 and their spendings ar...

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  20. The employer reduces the number of employees in the ratio 9: 8 and inc...

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