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What is the ratio of the mean proportion...

What is the ratio of the mean proportional between 8.1 and 3.6 and the third proportional of 2 and 3?
8.1 और 3.6 के बीच माध्य समानुपाती और 2 तथा 3 के तीसरे आनुपातिक का अनुपात क्या है ?

A

`5:6`

B

`5:4`

C

`4:5`

D

`6:5`

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PINNACLE-RATIO & PROPORTION-EXERCISE
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  2. A, B and C are partners in a firm sharing profit in the ratio of 3:4:5...

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  3. What is the ratio of the mean proportional between 8.1 and 3.6 and the...

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  4. If x+y+z = 400 and x:y:z = 1:1:2. Then find the value of z ? यदि x+y...

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  5. The ratio of the number of boys and girls in a school 3:2. If there ar...

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  6. If l:m:n=1:2:4, then sqrt (5l^2+ m^2+n^2) is equal to : यदि l:m:n=1:...

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

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  8. If u+v = 84 and u-v = 4 then u:v is equal to: यदि u+v = 84 तथा u-v ...

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  9. The first, second and third items of a proportion are 24, 32 and 48. W...

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  10. If (2x-y) : (5x+3y) = 3:8, then find the value of (x^2+y^2) : (x^2-y^2...

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  11. Ramesh is three times elder to Suresh. After two years Ramesh’s age wi...

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  12. The ratio between the present ages of a mother and her son is 4 : 1. 1...

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  13. If a:b=2:3 and b:c = 2:3, then the value of (3a^2+b^2+c^2): (a^2+2b^2+...

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  14. Five year ago, the ratio of the ages of A and B was 3:4. Five years fr...

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  15. The ratio of ages of A and B, four years ago, was 7:5. The ratio of th...

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  16. If a:b:c=1:3:5, what is the value of (4a-b+2c)/(3(a+b+c)) ? यदि a:b...

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  18. If the base radius of 2 cylinders are in the ratio 3:4 and their heigh...

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  19. The ratio of the number of boys to the number of girls in a school of ...

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  20. If x is the mean proportional between 12.8 and 64.8 and y is the third...

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