1.

......plz give me fast answer......Q.The sum of the digits of a 2digit number is 9. If the number obtained by reversing the digits is 27 more than the original number, find the original number.​

Answer»

LET the no. be 10x+y

x+y=9-(i)

10y+x=27+10x+y

9x-9y=27(DIVIDING 9)

x-y=3-(II)

by SOLVING i and ii

x=6

from i

y=9-6

y=3



Discussion

No Comment Found

Related InterviewSolutions