Question

A 2 digit number is such that the product of the digits is 14.when 45 is added to the number then the digit interchange their places..find the numbers?

Is there anybody to answer this confusing que?

Answer 1

let no be in form xy
so its value will be 10x+y
(because,take any no. as example....67=(6*10+7)
bye condition,
x * y=14 and
10y+x+45=45(10x+y)
x+5=y
But xy=4
so,
(14/y)+5=y solving this quadratic,
we will get.y=7 AND -2
-2 CANNOT TAKEN AS DIGIIT CANT NEGATIVE
SO,X=2
ANS.....27

Answer 2

here is your answer!!