1.

Draw the graphs for the following tables of values, with suitable scales on the axes.(a) Cost of apples Number of apples 1 2 3 4 5 Cost (in Rs) 5 10 15 20 25 (b) Distance travelled by a car Time (in hours) 6 a.m. 7 a.m. 8 a.m. 9 a.m. Distance (in km) 40 80 120 160 (i) How much distance did the car cover during the period 7.30 a.m. to 8 a.m.?(ii) What was the time when the car had covered a distance of 100 km since its start?(c) Interest on deposits for a year: Deposit (in Rs) 1000 2000 3000 4000 5000 Simple interest (in Rs) 80 160 240 320 400 (i) Does the graph pass through the origin?(ii) Use the graph to find the interest on Rs 2500 for a year:(iii) To get an interest of Rs 280 per year, how much money should be deposited?

Answer»

Draw the graphs for the following tables of values, with suitable scales on the axes.



(a) Cost of apples

























Number of apples



1



2



3



4



5



Cost (in Rs)



5



10



15



20



25






(b) Distance travelled by a car























Time (in hours)



6 a.m.



7 a.m.



8 a.m.



9 a.m.



Distance (in km)



40



80



120



160






(i) How much distance did the car cover during the period 7.30 a.m. to 8 a.m.?



(ii) What was the time when the car had covered a distance of 100 km since its start?



(c) Interest on deposits for a year:

























Deposit (in Rs)



1000



2000



3000



4000



5000



Simple interest (in Rs)



80



160



240



320



400






(i) Does the graph pass through the origin?



(ii) Use the graph to find the interest on Rs 2500 for a year:



(iii) To get an interest of Rs 280 per year, how much money should be deposited?



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