Seven times a 2 digit number is equal to 4 times the number obtained by reversing the order of its digits. If the difference between the digits is 3 then find the number.
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Answer:
We have given that : Number is seven times is equal to reversing the order of its digit. Also given numbers' difference is 3 . = > 36.
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- Let numbers be x at onces place.
- tens place so, 10y + x is the digit.
- If the difference between the digits is 3 then find the number.
According to the question,
⇒x=2y⟶(i)
Now,
From equation
( I ) 2y=x substitute in above equation.
Required original no: is =10y+x=10⋅
3+6=36
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