In a two-digit number, if it is known that its unit’s digit exceeds its ten’s digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:

  • Option 1)

    24

  • Option 2)

    26

  • Option 3)

    46

  • Option 4)

    42

  • Option 5)

    48

Answers (1)

            number= 10x+y

y-x=2..............a

(10x+y)(x+y)=144............b

Solving\: a\: and\: b

X=2, y=4

Number= 24

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