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When x is added to each of 2,3,30 and 35...

When x is added to each of 2,3,30 and 35, then the numbers obtained in this order, are in proportion. What is the mean proportional between (x+7) and (x-2)?
जब x को 2, 3, 30 और 35 में जोड़ा जाता है तो इस क्रम में प्राप्त होने वाली संख्याएं समानुपात में हैं | (x+7) तथा (x-2) के बीच मध्य समानुपाती ज्ञात करें |

A

7

B

4

C

5

D

6

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PINNACLE-RATIO & PROPORTION-EXERCISE
  1. The ratio of the income of A to that of B is 5:7. A and B save Rs. 400...

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  2. If (a+b) : (b+c) : (c+a) = 7 : 6 : 5 and a+b+c = 27, then what will be...

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  3. When x is added to each of 2,3,30 and 35, then the numbers obtained in...

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  4. The ratio of investment by A to that by B is a business is 14:15 and t...

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  5. One year ago, the ratio of the age (in years) of A to that of B was 4:...

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  6. What is the ratio of the third proportional to 0.4 and 0.8, to the mea...

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  7. 5 years ago, the ratio of the age of A to that of B was 4:5. Five year...

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  8. A sum of Rs. x is divided among A, B and C such that the ratio of the ...

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  9. A, B and C invested their capitals in the ratio of 2:3:5. The ratio of...

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  10. The ratio of income of A and B last year was 4:3, respectively. The ra...

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  11. A,B, and C started a business with their capitals in the ratio 2,3:5. ...

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  12. Two numbers are in the ratio 3:5. If 13 is subtracted from each, the n...

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  13. A, B and C spend 80%, 85% and 75% of their incomes, respectively. If t...

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  14. A, B and C started a business. Thrice the investment of A is equal to ...

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  15. If (5x+2y) : (10x+3y) = 5:9, then (2x^2+3y^2 ):(4x^2+9y^2)=? यदि (5...

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  16. A sum is divided among A, B, C and D such that the ratio of shares of ...

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  17. A started a business with a capital of Rs. 54000 and admitted B and C ...

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  18. If x is added to each of 12, 28, 21 and 45, the numbers so obtained, i...

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  19. When x is subtracted from each of 21, 22, 60 and 64, the numbers so ob...

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  20. The ratio of present ages of A and B is 8 : 9. After 9 years, the rati...

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