Apparently, this user prefers to keep an air of mystery about them.
24 Give a concrete sequence of rationals which converges to an irrational number and vice versa. nov 14
21 A riddle for 2015 jan 2
21 Find the volume of the set. jan 23
18 To find the total no. of six digit numbers that can be formed having property that every succeeding digit is greater than preceding digit. jan 27
16 Even Number cards? oct 30
10 Solving 9 sons puzzle dec 9
10 Hank and his old car feb 2