A two digit no. is such that the product of its digits is18.when 63 is subtracted from the no. the digits interchange their places find the no.
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let the two digit no be (10y+x) according to the guestion x.y=18.....(i) & 10+y=(10y+x)-63
so x-y=-7 .......(ii) now by solving (i) & (ii) we get x=2 & y =9 so the required two digit no is 29.
so x-y=-7 .......(ii) now by solving (i) & (ii) we get x=2 & y =9 so the required two digit no is 29.
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