Q69 of 90 Page 372

The following graph shows the number of people present at a certain shop at different times. Observe the graph and answer the following questions.


A) What type of a graph is this?


B) What information does the graph give?


C) What is the busiest time of day at the shop?


D) How many people enter the shop when it opens?


E) About how many people are there in the shop at 1:30 pm?

A) The above graph is a line graph.


B) The above graph gives the information about the number of people present at a certain shop at different times.


C) From the given graph , we can see that , the busiest time of day at the shop is 1pm ie. 25 people visited the shop.


D) From the given graph , we can see that , 5 people enter the shop when it opens(at 10am).


E) From the given graph , we can see that , 20 are there in the shop at 1:30 pm.


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67

Plot the points (2,4) and (4,2) on a graph paper, then draw a line segment joining these two points.

Extend the line segment on both sides to meet the coordinate axes. What are the coordinates of the points where this line meets the x-axis and the y-axis?

 68

The following graph shows the change in temperature of a block of ice when heated. Use the graph to answer the following questions:


A) For how many seconds did the ice block have no change in temperature?


B) For how long was there a change in temperature?


C) After how many seconds of heating did the temperature become constant at 100°C?


D) What was the temperature after 25 seconds?


E) What will be the temperature after 1.5 minutes? Justify your answer.

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A man started his journey on his journey on his car from location A and came back. The given graph shows his position at different times during the whole journey.


A) At what time did he start and end his journey?


B) What was the total duration of journey?


C) Which journey, forward or return, was of longer duration?


D) For how many hours did he not move?


E) At what time did he have the fastest speed?

 71

The following graph shows the journey made by two cyclists, one from town A to B and the other from town B to A.


A) At what time did cyclist II rest? How long did the cyclist rest?


B) Was cyclist II cycling faster or slower after the rest?


C) At what time did the two cyclists meet?


D) How far had cyclist II travelled when he met cyclist I?


E) When cyclist II reached town A, how far was cyclist I from town B?