Maths is just like a stone if u will uttern it therefore u can acheive the zenith of success but if u will not in that case it will become headache for u...
Akanksha
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?