Question (in Image below)   (SMOPS 2015 No.30 ) In the following figure, not drawn to scale, B, D, E and C lie on a straight line. Given that angle (BAD) = angle (DAE) = 12 degrees, AC is perpendicular to AD, and BC = AB + AE, find angle (ABC) in degrees.  ...

Question (SMOPS 2015 No.12) Given that 2^29 is a number comprising of 9 different digits, which digit is not in this number?         Solution (Please refer to Image below)