I am into aptitude tests training. Fortunately, I love reading almost anything. Also curious about solving problem by different methods.
4 Escalators visible steps question. oct 30 '13
2 There are $12$ stations between A and B, in how many ways you can select 4 stations for a halt in such a way that no two stations are consecutive [duplicate] oct 30 '13
2 Sequence of the form $pn^2+qn+r$ oct 31 '13
2 Trapezium drawn in the circle oct 31 '13
2 |x|+|y|+|z|=15. How many integer solutions do exist? may 28 '14
0 Counting the number of 4 letter words that can be made from a given multiset of 11 letters nov 16 '13