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If a : b = 2 : 5, b : c = 4 : 7 and c : ...

If a : b = 2 : 5, b : c = 4 : 7 and c : d = 9 : 14, then the value of a : b : c : d is :
यदि a : b = 2 : 5, b : c = 4 : 7 और c : d = 9 : 14, तो a : b : c : d कितना है ?

A

`72 : 180 : 245 : 490`

B

`72 : 180 : 315 : 490`

C

`72 : 144 : 315 : 490`

D

`36 : 180 : 315 : 490 `

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PINNACLE-RATIO & PROPORTION-EXERCISE
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  2. If three numbers are in the ratio 2 : 3: 5 and the twice of their sum ...

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  3. If a : b = 2 : 5, b : c = 4 : 7 and c : d = 9 : 14, then the value of ...

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  4. The number of students studying A, B and C in a school are in the prop...

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  5. If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then the value of (...

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  8. The ratio of boys and girls in a college was 4 : 5. New students got a...

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  9. What is the proportion equivalent to X/Y : Y/Z : X/Z," if "X : Y : Z =...

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  10. The difference between the cubes of two numbers is 999. The numbers ar...

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  11. A, B, C and D have to share profits in the ratio of 4 : 8 : 11 : 15. I...

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  12. If 0.8 : X :: 5 : 8, then X is equal to : यदि 0.8 : X :: 5 : 8, तो X...

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  13. A number is divided into three parts such that three times the first p...

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  14. The sum and difference between two numbers are 27 and 3 respectively. ...

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  15. The sum of two numbers x and y is 48 and their difference is 6. Then x...

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  16. A sum is divided between two people in the ratio 3:2. If one person go...

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  17. The ratio of two numbers is 2:1. If each number is increased by 5, the...

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  18. A sum is divided between Ram and Rahim in the ratio of 3 : 2. If Ram’s...

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  19. The ratio of the given two numbers is 9 : 7. If 6 is added to each num...

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  20. A sum of Rs. 5200 is divided amongst A, B, C and D such that the ratio...

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