Question

the digits in the ten place of a two digits number is three time that in the units place .if the digits are resvered the new no.will be 36 les thanthe orginal number .find yhe orginal number .cheak your answer ?answer is 62

Answer 1

let no be XY

X = 3Y

YX = XY -36

10 y + x= 10 x+ y -36

9 y -9x = -36

y - x= -4

x = 3y

y - 3y = -4

2y = 4
y = 2

X = 3.2 = 6


SO NUMBER IS 62