Question 1iiiDraw the graphs for the following tables of values- with suitable scales on the axes-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 interestofRs280 per year- how much money should be deposited-

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Standard VIII

Mathematics

Application of Graphs

Question 1iii...

Question

Question 1(iii)
Draw the graphs for the following tables of values, with suitable scales on the axes.
Interest on deposits for a year.
$\begin{matrix} D e p o s i t (i n R s .) & 1000 & 2000 & 3000 & 4000 & 5000 S i m p l e I n t e r e s t (i n R s .) & 80 & 160 & 240 & 320 & 400 \end{matrix}$
(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 interestofRs280 per year, how much money should be deposited?

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Solution

(i) Yes, the graph passes through the origin,
(ii) Interest on Rs 2500 is Rs200 for a year.
(iii) Rs3500 should be deposited for interest of Rs280

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Similar questions

Q. 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)	6am	7am	8am	9am
Distance (in km)	40	80	120	160

(i) How much distance did the car cover during the period

7.30

a.m. to

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a.m?
(ii) What was the time when the car had covered a distance of

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km since it's start?

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

R s .2500

for a year.
(iii) To get an interest of

R s .280

per year, how much money should be deposited?

Q. Question 1(i)
Draw the graphs for the following tables of values, with suitable scales on the axes.
Cost of apples

\begin{matrix} N o . o f a p p l e s & 1 & 2 & 3 & 4 & 5 C o s t (i n R s .) & 5 & 10 & 15 & 20 & 25 \end{matrix}

A bank gives 10% S.I on deposits for senior citizens. Draw the graph for the relation between the sum deposited and the interest earned in one year. Hence, find

(i) The interest on the deposit of Rs. 650

(ii) The amount to be deposited to earn an interest of Rs. 45.

Q. To get an interest of Rs

280

per year, how much money should be deposited?

Q. A bank gives 10% simple interest on deposits by senior citizens. Draw a line graph to illustrate the relation between the sum deposited and the simple interest earned.
Find from the graph:
(i) The annual interest obtainable for a investment of Rs 250
(ii) The investment one has to make in order to get an annual simple interest of Rs 70

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(i) Yes, the graph passes through the origin, (ii) Interest on Rs 2500 is Rs200 for a year. (iii) Rs3500 should be deposited for interest of Rs280

(i) Yes, the graph passes through the origin,
(ii) Interest on Rs 2500 is Rs200 for a year.
(iii) Rs3500 should be deposited for interest of Rs280