Q1) A number consists of two digits . The digit at ten's place is 4 times the digit at unit's place . On changing the place of digits , the new number is formed is 54 less than the original number . Find the numbers.

• 82
  If two digit number= 10x+y
  Given, x=4y ---(i) &
  10x+y-54=10y+x, x-y=6 ---(ii)
  On solving (i) & (ii), x=8, y=2
  So number=82
• 10 years agoHelpfull: Yes(0) No(0)