CBSE Class 7 Mathematics Practice Worksheet Set 10

CBSE Class 7 Mathematics Worksheet (3)

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CH. 8 : COMPARING QUANTITIES

1. Divide Rs. 45000 among P, Q and R in the ratio 2 : 3 : 4. What will it be in

percentages.

2. The three angles of a triangle are in the ration 1 : 2 : 3. Find their measures.

Is it right-triangle?

3. Find the S.P. given,

i) C.P. = Rs. 700, gain = 12%

ii) C.P. = Rs. 960, gain = 7 %

iii) C.P. = Rs. 2000 and loss = 4 %

4. Find the C.P. given,

i) S.P. = Rs. 2725, gain = 9%

ii) S.P. = Rs. 819, loss = 9%

5. Find the Amount in each case.

i) P = Rs. 1500, R = 9% p.a., T = 3 years

ii) P = Rs. 2250, R = 8% p.a., T = 2 years

iii) P = Rs. 5000, R = 12% p.a., T = 2 years

6. Find the sum borrowed (Principal) in each case.

i) I = Rs. 1080, R = 9% p.a., T = 3 years

ii) I = Rs. 800, R = 8% p.a., T = 2 years

iii) I = Rs. 1050, R = 5% p.a., T = 3 years

7. Find the Rate of Interest, given

i) Int = Rs. 825, P = Rs. 3300, T = 3 years

ii) P = Rs. 6000, Int= Rs. 780, T = 2 years

iii) P = Rs. 3500, Int= Rs. 490, T = 2 years

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