Question

20. A train leaves New Delhi Railway Station at
10:50 am. It travels at a speed of 80 km/h. The
train covers a distance of 120 km by
(a) 11:50 am
(b) 12:10 pm
(C) 12:20 pm
(d) 12:50 pm
with solutions. ​

Answer 1

Answer:

(c) 12:20 pm

Step-by-step explanation:

train leaves at 10:50am

distance covered by train =120 km

speed of train=80 kmph

time to covered 120 km=120/80=3/2 hour=60*3/2=90min=1 hour 30min

Time taken =10:50am+1h 30m=12:20 pm

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Answer 2

Answer:

12:20pm

Step-by-step explanation:

Train leave Delhi Station On 10:50

Speed of the train was 80km/h

Train covers 120 km by =80 km/ h means 80km in 1 hour 80+40=120

So if train travel 80km/h so it reach 80km by 11:50 and rest 40 km by =80/2=40

Therefore rest 40 km train covers in 30 min

So 11:50am+30min=12: 20 pm

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