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`x prop y + z, y prop z + x` and `z prop x + y` and three variation constants are k, l, m respectively. Then_______

A

k + 1 + m =1

B

k/k + 1 + 1/1 + 1 + m/m + 1 = 0

C

k/k + 1 + 1/1 + 1 + m/m +1 =1

D

k +1/k + 1 + 1/1 + m + 1/m =1

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UNITED BOOK HOUSE-Variation-Exercise
  1. If x prop y, y prop z, z prop t and t prop x where the constants of va...

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  2. If a is inversely proportional to b and b is inversely proportion...

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  3. If x^2 prop yz, y^2 prop zx and z^2 prop xy, then the rlation among th...

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  4. a prop b and if b = 9 then a = 6, which of the following ratio is equa...

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  5. If (ax + b/y) prop (cx + d/y) and a, b, c, d are non zero constants, t...

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  6. If y is directly proportional to x and y=5 when x=2, what is the value...

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  7. If 1/y - 1/x prop 1/x - 1/y then find the relation between x and y.

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  8. If a prop b, b prop c, c prop d and d prop a, where the variation cons...

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  9. If x prop 1/y and y prop 1/z then which one of the following relation ...

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  10. If (b - c) prop bc, (c - a) prop ca and (a - b) prop ab where k,l,m ar...

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  11. Given V prop r^3 and V = 18Pi when r = 3. Then relation between V and ...

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  12. X men can plough Y acres of land in Z days. Then the correct relation ...

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  13. x prop y + z, y prop z + x and z prop x + y and three variation consta...

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  14. If 20 men can build a wall 56 metres long in 6 days what length of a s...

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  15. 120 men had food provisions for 200 days. After 5 days, 30 men died du...

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  16. 12 men, working 8 hours a day, complete a piece of work in 10 days. To...

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  17. The resistance of a wire varies directly with its length and inversely...

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  18. Given that 'w' varies directly as the product of x and y and inversely...

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  19. The time required for an elevater to life a weight varies directly wit...

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  20. The electic power which a transmission line can transmit is proportion...

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