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`(5)/(6)div(6)/(7)xx?-(8)/(9)div1(3)/(5)+(3)/(4)xx3(1)/(3)=2(7)/(9)`
A. `7/6`
B. `6/7`
C. 1
D. `6/9`

1 Answer

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Best answer
Correct Answer - B
Let `(5)/(6) div(6)/(7) xx x - (8)/(9) div (8)/(5) + (3)/(4) xx (10)/(3) = (25)/(9)`. Then
`(5)/(6)xx(7)/(6)xx x - (8)/(9) xx (5)/(8) +(3)/(4) xx (10)/(3) = (25)/(9)`
`hArr (35)/(36) x - (5)/(9) + (5)/(2) = (25)/(9)`
`hArr (35)/(36) x=(25)/(9) + (5)/(9) - (5)/(2) = (10)/(3) - (5)/(2)`
`hArr (35)/(36) x = (5)/(6) hArr x= ((5)/(6) xx(36)/(35))=(6)/(7)`

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