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the sum of digit of two digit number is 9 if 27 is added to eat, the digit of number get reverse. find the number |
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Answer» Step-by-step explanation: let X and y are two digits the original number is 10x+y according to the above equation 10x+y+27=10y+x 10x-x+y-10y =-27 9x-9y =-27(÷by9) x-y =-3----eq(2) on solving 1&2 2x=6 X=3 &y=6 therefore original number is 36 |
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