A) 12 and 9
B) 18 and 6
C) 27 and 4
D) 36 and 3
Correct Answer: B
Solution :
Let the number is\[10x+y\] By hypothesis\[x+y=11\] ? (i) and \[(10x+y)-(10y+x)=45\] or \[9(x-y)=45\] or \[x-y=5\] ? (ii) Solving equations (i) and (ii), we get \[x=8,\,\,y=3\] Hence, required number\[=8\times 10+3=83\]You need to login to perform this action.
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