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?
Answers
Step-by-step explanation:
Draw the graphs for the following tables of values, with suitable scales on the axes.
(a) Cost of apples:On Y-Axis
Number of apples:On X-Axis
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. : on X-axis
Distance (in km) 40 80 120 160 : on y- axis
(i) How much distance did the car cover during the period 7.30 a.m. to 8 a.m.?
Answer:20 km
(ii) What was the time when the car had covered a distance of 100 km since its start?
Answer:7:30 am
Total time to cover 100 km= 1:30 hours
(c) Interest on deposits for a year:
Deposit (in Rs) 1000 2000 3000 4000 5000 : on X-axis
Simple interest (in Rs) 80 160 240 320 400 :on Y-axis
(i) Does the graph pass through the origin?
Answer: No
(ii) Use the graph to find the interest on Rs 2500 for a year:
Answer:240
(iii) To get an interest of Rs 280 per year, how much money should be deposited?
Answer:3500 Rs
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