Real life situation 6.1: When a student walks from his house, at an average speed of 6 kmph, reaches
his school by ten minute

Real life situation 6.1: When a student walks from his house, at an average speed of 6 kmph, reaches
his school by ten minutes before school starts. When his average speed is 4 kmph, he reaches his
school five minutes late. If he starts to walk to school every day at 8.00 A.M, then how to find (i) the
distance between house and the school (ii) the minimum average speed to reach the school on time
and time taken to reach the school (iii) the time at which the school starts (iv) the pair of straight lines
of his path of walk (Combined equation of two straight lines).
Electrical Power Trans-​