please tell this question no. 3.
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let unit's digit be x and ten' s digit be y so the no.= 10(y)+(x)
according to question, 10y + x = 3 + 4 (x+y)
so , 2y-x =1
again, 18 +10y+x =10x+ y ( after reversing the new number =10x + y)
so, x-y =2
thus x=5 and y=3.
thus the number is 10 (3)+5=35
according to question, 10y + x = 3 + 4 (x+y)
so , 2y-x =1
again, 18 +10y+x =10x+ y ( after reversing the new number =10x + y)
so, x-y =2
thus x=5 and y=3.
thus the number is 10 (3)+5=35
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