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.
If I am given a formula and I am ignorant of its meaning, it cannot teach me anything, but if I already know it what does the formula teach me?
Saint Augustine of Hippo
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 ?