Often most parents complains that their ward cleared many hard subjects but could not cleared the easy subject. The students perception about the subject makes it easier or harder not the course content....
Consider a tank which is filled with water and placed at some heights. This tank has a pipe connection that is going downwards to another tank in the ground level. The height difference between the 2 tanks...
Always it is a complain from many students that they do not remember concepts taught and learnt as time progresses. Even exceptional students also falls pray to effect of time fading. The tip which i generally...