1.

यदि `x : y = 3 : 4` हो तो `(5x-2y)/(7x + 2y)` ज्ञात करे।A. `(7)/(25)`B. `(7)/(23)`C. `(7)/(29)`D. `(7)/(17)`

Answer» Correct Answer - C
x : y
3 : 4
`therefore (5x-2y)/(7x+2y) implies (y(5(x)/(y)-2))/(y(7(x)/(y)+2))`
`(5xx(3)/(4)-2)/(7xx(3)/(4)+2) implies (15-8)/(21+8) implies (7)/(29)`


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