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Chapter 13 – Direct and Inverse Proportions

Class 8 Maths MCQ’s Chapter 13 – Direct and Inverse Proportions
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  1. Question 1 of 30
    1. Question

    A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. How many parts of base will be used in mixture by mixing 7 part of red pigment?

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  2. Question 2 of 30
    2. Question

    If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work?

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  3. Question 3 of 30
    3. Question

    If the cost of 27 bags of paddy is Rs.9450, what is the cost of 36 bags of paddy?

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  4. Question 4 of 30
    4. Question

    Raju earns Rs 1440, if he works for 12 days. If he works for 30 days, he will earn

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  5. Question 5 of 30
    5. Question

    The scale of a map is 1:3×107 Two cities are 5 cm apart on the map. Find the actual distance between them in kilometres.

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  6. Question 6 of 30
    6. Question

    An electric pole, 14 metres high, casts a shadow of 10 metres. Find the height of a tree that casts a shadow of 15 metres under similar conditions.

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  7. Question 7 of 30
    7. Question

    A boy runs 1 km in 10 minutes. How long will he take to ran 600 m ?

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  8. Question 8 of 30
    8. Question

    A van covers 432 km with 36 litres of diesel. How much distance would it cover with 25 litres of diesel?

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  9. Question 9 of 30
    9. Question

    The price of 357 mangoes is Rs.1517.25. What will be the approximate price of 49 dozens of such mangoes?

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  10. Question 10 of 30
    10. Question

    72 books are packed in 4 cartons of the same size. How many cartons are required for 360 books?

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  11. Question 11 of 30
    11. Question

    A garrison of 500 persons had provisions for 27 days. After 3 days a reinforcement of 300 persons arrived. For how many more days will the remaining food last now?

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  12. Question 12 of 30
    12. Question

    Two quantities x and y are said to be in ___________ if they increase (decrease) together in such a manner that the ratio of their corresponding values remains constant.

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  13. Question 13 of 30
    13. Question

    There is enough food to last for 40 people for 10 days. If 10 more people join them, the food will last for

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  14. Question 14 of 30
    14. Question

    36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work ?

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  15. Question 15 of 30
    15. Question

    x varies inversely as square of y. Given that y = 3 for x = 1.find the value of x for y = 4.

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  16. Question 16 of 30
    16. Question

    A journey by bus takes 45 minutes at 40 km/hour. How fast must a car go to undertake the same journey in 25 minutes?

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  17. Question 17 of 30
    17. Question

    A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:

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  18. Question 18 of 30
    18. Question

    The cost of 5 metres of a particular quality of cloth is Rs 210. Find the cost of 2 metres of cloth of the same type.

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  19. Question 19 of 30
    19. Question

    120 copies of a book cost Rs 600. What will 400 copies cost ?

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  20. Question 20 of 30
    20. Question

    6 pipes are required to fill a tank in 1 hour 20 minutes. How long will it take if only 5 pipes of the same type are used?

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  21. Question 21 of 30
    21. Question

    8 g of sandal wood cost Rs 40. What will 10 g cost ?

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  22. Question 22 of 30
    22. Question

    When one quantity is increased, the other quantity is also increased. This proportion is called _______

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  23. Question 23 of 30
    23. Question

    Question 23.10 metres of cloth cost Rs 1000. What will 4 metres cost ?

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  24. Question 24 of 30
    24. Question

    Question 24.15 books weigh 6 kg. What will 6 books weigh ?

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  25. Question 25 of 30
    25. Question

    Question 25.A horse eats 18 kg of com in 12 days ? How much does he eat in 9 days ?

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  26. Question 26 of 30
    26. Question

    Question 26.8 g of sandal wood cost Rs 40. What will 10 g cost ?

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    Incorrect
  27. Question 27 of 30
    27. Question

    Question 27.20 trucks can hold 150 metric tonnes. How much will 12 trucks hold ?

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    Incorrect
  28. Question 28 of 30
    28. Question

    Question 28.120 copies of a book cost Rs 600. What will 400 copies cost ?

    Correct
    Incorrect
  29. Question 29 of 30
    29. Question

    Question 29.The rent of 7 hectares is Rs 875. What is the rent of 16 hectares ?

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  30. Question 30 of 30
    30. Question

    Question 30.A boy runs 1 km in 10 minutes. How long will he take to ran 600 m ?

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admin2022-05-10T05:18:51+00:00

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