Question
11. (1) Number of hours from 9: 20 am to 12 noon ( =2 mathrm{h} 40 mathrm{min} )
Number of hours from 12: 00 noon to 1: 30 ( begin{aligned} mathrm{pm}=1 mathrm{h} 30 mathrm{min} therefore quad text { Total time taken } &=2 mathrm{h} 40 mathrm{min}+1 mathrm{h} 30 mathrm{min} =4 mathrm{h} 10 mathrm{min} end{aligned} )

11. A train leaves station A at 9:20 am and reaches the station B at 1 : 30 pm. The time taken by the train is (1) 4 h 10 min (2) 4 h 35 min (3) 3 h 59 min (4) 4 h 30 min
Solution
