How to prepare question train problem.
It book is better than all book
By Dr. Rs agerwal book
sorry p*t1/t2-t1 hogi sahi trick wo wrong h
and one trick plafm ki ya surang ki length ana par karne ka samay t2 diya gaya ho aur admiko.par ksrne ka samay t1diyaho to tran ki length" 2t1*t2/t2-t1"se
ap mujhe mensuration batao aur kuch bhi poocho thodha sa geometry ko chodkar
Moving same position
Relative speed is to be calculated
If both trains are opposite then speed added and in same direction substracted....
It s simple better u learn for apptitude
2 concepts you have to understand one is when u ll add the speed of train with the moving object n when u ll substract