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If a/b = c/d =e/f = 4, then (ma ^(2) ...

If `a/b = c/d =e/f = 4,` then
`(ma ^(2) + nc ^(2) + pe ^(2))/( mb ^(2) + nd ^(2) + pf^(2)) = ?`

A

`10`

B

16

C

20

D

18

Text Solution

Verified by Experts

The correct Answer is:
B
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ADVANCED MATHS BY ABHINAY MATHS ENGLISH-RATIO & PROPORTION-QUESTIONS
  1. If a/b=c/d=e/f=9/5 then (2a + 3c + 5e)/( 2b + 3d + 5f) = ?

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  2. If a/b = c/d =e/f = 4, then ( ma + nc + pe )/( mb + nd + pf) = ?

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  3. If a/b = c/d =e/f = 4, then (ma ^(2) + nc ^(2) + pe ^(2))/( mb ^(2)...

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  4. If a/b = c/d =e/f = 4, then (m ^(2) a + n^(2) c + p ^(2) e )/( m ^(2...

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  5. If a /b = c/d = 3/2, then (13 a - 111c)/(13 b - 111d ) = ?

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  6. If a,b,c gt 0, then (a )/(b +c) = (b)/( c +a) = (a)/(a +b) = ?

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  7. If a,b,c gt 0 then (a)/( a + b + c) = (b)/( a + b + c) = (c )/(a + b +...

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  8. If a,b,c gt 0, then (a )/(2a + b +c ) = (b)/(a + 2b +c)= (c )/(a +b + ...

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  9. If (y )/(x -z) = (y +x)/(z) = (x)/(y) then x :: y :z = ?

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  10. If p /q = r/s , then ((p +q)/( r + s )) = ?

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  11. The ratio of milk and water in a pot is 3:4. If 3l water is added, the...

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  12. The ratio of milk and water in a pot is 2:5. If 14 l water is added, t...

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  13. The ratio of milk and water in a pot is 2:3. If we added 5 litre milk ...

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  14. The ratio of milk and water in a pot is 1:3. If we added 9 litre milk ...

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  15. The ratio of milk and water in a pot is 5:7. If we add 5l milk and 5 l...

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  16. The ratio of milk and water in a pot in 2 : 3. If we subtracted 3l wat...

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  17. The ratio of two number is 1:2. If 7 is added in both number then rati...

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  18. Two number are in the ratio of 3 and 5. If 9 is subtracted from both t...

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  19. Find the number that must be added to the terms of the ratio 7 : 13 to...

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  20. Find the number that must be subtracted from the terms of the ratio 15...

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