Chemical Effects of Electric Current
Some natural Phenomena
Force and Pressure
Pollution of Air and Water
Cell Structure and Functions
Crop Production and Management
Friction
Reproduction in Animals
Synthetic Fibres and Plastics
Coal and Petroleum
Combustion and Flame
Reaching the Age of Adolescence
Conservation and Flame
Light
Materials: Metals and Non-Metals
Microorganisms: Friend and Foe
Sound
Stars and the Solar System
Conservation of Plants and Animals

Algebraic Expressions and Identities
Data Handling
Direct and Inverse Proportions
Linear Equations in One Variable
Visualising Solid Shapes
Introduction to Graphs
Understanding Quadrilaterals
Factorisation
Cubes and Cube Roots
Comparing Quantities
Practical Geometry
Rational Numbers
Squares and Square Roots
Exponents and Powers
Mensuration
Playing with Numbers

Comparing Quantities

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Q 1. Find the ratio of 70 P to ₹14.

1:20

20:1

1:5

{tex}55\frac{2}{3}{/tex}

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Q 2. Convert 2 : 3 to percent.

{tex}66\frac{3}{2}{/tex}

{tex}66\frac{2}{3}{/tex}

{tex}55\frac{3}{2}{/tex}

{tex}55\frac{2}{3}{/tex}

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Q 3. A man gets a 10% increase in his salary. If his new salary is ₹1,15,500, find his original salary.

10,500

1,05,000

2,05,000

2,32,700

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Q 4. Atul is earning 10% more than his brother Amit. Find by what percent of Amit's income is less than Atul's income.

{tex}9\frac{1}{11}{/tex}

{tex}11\frac{1}{11}{/tex}

{tex}9\frac{11}{17}{/tex}

{tex}9\frac{12}{17}{/tex}

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Q 5. Kapil purchased an old car for ₹114400 and spent ₹5600 on its repair. He then sold the car for ₹150000. Find his gain percent in this transaction.

12.50%

25%

28%

30%

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Q 6. A shopkeeper bought 100 bulbs for ₹12 each. He found 10 bulbs to be fused and sold the remaining bulbs so as to gain 5% on the whole transaction. At what price should he sell each bulb?

17

14

15

13

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Q 7. Raju sold two fans for ₹990 each. On selling one fan, he had a gain of 10% and on selling other fans, he had a loss of 10%. Find his gain or loss percent in the whole transaction.

gain 1%

gain 10%

loss 1%

loss 10%

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Q 8. A furniture seller is giving a discount of 14% on the sofa set. The marked price of the sofa set is ₹22000. Find the selling price of the sofa set after a discount.

20,000

18,000

17,500

18,920

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Q 9. To promote his sale, a shopkeeper charges ₹15488 for a T.V. set with the marked price of ₹17600. Find the rate of discount given by him to the customer.

12%

12.5%

14%

16%

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Q 10. An article with marked price ₹1500 was sold to a customer for ₹1200. Find the rate of discount allowed in an article.

20%

30%

40%

60%

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Q 11. A radio was sold for ₹323 after allowing a discount of 15% on the marked price. Find the marked price of the radio.

₹400

₹450

₹350

₹380

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Q 12. Renu Chauhan deposited a sum of ₹12500 in a bank for 3 years. If the bank pays compound interest at the rate of 6% per annum, what amount will she get at the end of 3 years?

12,000.00

138210.50

14887.70

12500.50

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Q 13. Rajesh borrowed ₹100000 for 3 years from his friend at 7% compound annually. How much money will he pay to his friend at the end of 3 years?

1,22,504.30

1,20,000.00

1,10,500.75

1,60,000.50

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Q 14. Mohan lent ₹1,60,000 to his friend for 2 years 3 months at the rate of 8% p.a. compounded annually. How much money will Mohan get as compound interest at the end of 2 years 3 months?

30,350.56

30,570.72

30,356.48

30,000.00

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Q 15. Find the simple interest on a sum of ₹25000 for 3 years at the rate of 4% per annum.

2000

1000

1500

3000

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Q 16. Veena borrowed ₹ 5,12,000 from a bank for 1 year 6 months. If the bank charges 2% per annum, compounded half-yearly, find the interest paid by her.

20,144

19,441

19,581

16,772

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Q 17. Out of her total income, Mrs. Sharma spends 20% on house rent and 70% of the rest on household expenses. If she saves ₹1800, what is her total income?

7500

8500

9600

9000

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Q 18. On Sunday 845 people went to the zoo. On Monday only 169 people went. What is the percent decrease in the people visiting the zoo on Monday?

90%

80%

60%

70%

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Q 19. The cost of an item is ₹44. This is 10% more than its cost in the previous year. Find the cost of the item in the previous year.

30

40

50

60

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Q 20. A mixture of milk and water contains 7 parts of milk and 3 parts of water. Find the percentage of milk and water in the mixture.

25% &75%

60% & 40%

30% & 70%

70% & 30%

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Q 21. A's income is 25% more than that of B. How much per cent is B's income less than that of A's?

30%

40%

20%

50%

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Q 22. Anurag's salaryis increased by 10% and then decreased by 10%. Find the net percentage change in his salary.

increase 1%

decrease 1%

decrease 2%

increase 1%

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Q 23. The price of an article has been increased by 25%. By how much per cent must this new price be decreased to retain its former price?

15%

17%

18%

20%

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