IBM Off-Campus for Freshers - 2013 / 2014 / 2015 Batch (Across India) On Nov 2014 for Bangalore, Chennai, Hyderabad, Mumbai, Pune, Kolkata, Noida, Delhi, Across India location.
Mathematics is a game played according to certain simple rules with meaningless marks on paper.
David Hilbert
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 ?