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Hello!tommorow is my maths paper pls quickly send me the solution for thisP.S wish me luck |
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Answer» hey BUDDY!!Let numbers be x at onces place & y at tens place so,10y+x is the digit.Reversed digit =10x+yAccording to the question , ∴7(10y+x)=4(10x+y)⇒x=2y⟶(i)Now,Given , x−y=3from EQUATION (i)2y=x substitute in above equation.2y−y=3y=3So , x=2y=2⋅3=6∴ REQUIRED ORIGINAL no: is =10y+x=10⋅3+6=36. |
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