Posted by Simran kaur on .
In a 2digit no. ,the face value of the digit at the tens place is four times dat of the digit at ones place. If 54 is substrctd frm the no. ,the digit are reversed.find the no.
Ans is 82

Math 
Steve,
t = 4u
10t+u  54 = 10u+t
10*4u+u54 = 10u+4u
40u+u54=14u
26u=52
u=2
so, the number is 82 
Math 
Simran kaur,
Thnx..

Math 
Simran kaur,
Sory i don't undrstnd

Math 
Simran kaur,
Plz solve dis qustn again in simple method bcz i didn't undrstnd