CBSE Class 7 Answered
Distance between Bholu’s and Golu’s house is 9 km. Bholu has to attend Golu’s birthday
party at 7 o’clock. He started from his home at 6 o’clock on his bicycle and covered a
distance of 6 km in 40 minutes. At that point he met Chintu and he spoke to him for 5
minutes and reached Golu’s birthday party at 7 o’clock. With what speed did he cover the
second part of the journey? Calculate his average speed for the entire journey.
Asked by Nimmi | 09 Nov, 2018, 12:32: PM
Expert Answer
What speed did he cover for the 2nd part of journey?
3 km travelled in 15 minutes. speed = 3000/(15×60) = (10/3) m/s
average speed of entire journey :- time taken is 55 min, distance travelled 9 km , average speed = 9000/(55×60) = (30/11) m/s
Answered by Thiyagarajan K | 09 Nov, 2018, 08:51: PM
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