Question 11

Paheli and Boojho have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed?

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Solution

Their speeds will not be same because they cover unequal distances in equal intervals of time. One of them has a higher speed. The one who covers larger distance will have the higher speed.

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Q. A school bus covers a distance from village to school at the speed of

12

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8

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10

min early. what is the distance between village and school.

Question 12
On a very cold morning, Boojho and Paheli were talking with each other as they walked down to their school. They observed that the air coming out of their mouth looked like smoke. They were amused and wondered how it happened. Help them find the answer.

Walking at 5/7th of your usual speed, you will reach the school 16min late. What is the usual time taken by you to reach your school?

Q. Among Anand, Vimal, Sunil, Deepak and Hemendra each reaching school at a different time, Sunil reaches before Deepak and Anand but only after Vimal. Hemendra is not the last to reach school. Who among them reached school last?

Question 11

Meenakshee cycles to her school at an average speed of 12 km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, her average speed should be
$(a) \frac{20}{3} k m / h$
(b)16 km/h
(c)20 km/h
(d) 15 km/h

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Speed (Average Speed)

Standard VII Physics

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Question 11 Paheli and Boojho have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed?

Their speeds will not be same because they cover unequal distances in equal intervals of time. One of them has a higher speed. The one who covers larger distance will have the higher speed.

Question 11

Paheli and Boojho have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed?