Chapter 13 – Direct and Inverse Proportions
25. If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is ______ hours.
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Aug
25. If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is ______ hours. 25. If 12 pumps can empty a reservoir in 20 hours then time required by 45 such pumps to empty the same reservoir is ______ hours. August 5, 2021 [...]
24. Two quantities are said to vary ______ with each other if an increase in one causes a decrease in the other in such a manner that the product of their corresponding values remains constant.
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Aug
24. Two quantities are said to vary ______ with each other if an increase in one causes a decrease in the other in such a manner that the product of their corresponding values remains constant. 24. Two quantities are said to vary ______ with each other if an increase in one causes a decrease in [...]
23. Two quantities are said to vary ______ with each other if they increase (decrease) together in such a manner that the ratio of their corresponding values remains constant.
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Aug
23. Two quantities are said to vary ______ with each other if they increase (decrease) together in such a manner that the ratio of their corresponding values remains constant. 23. Two quantities are said to vary ______ with each other if they increase (decrease) together in such a manner that the ratio of their corresponding [...]
22. x and y are said to vary directly with each other if for some positive number k, ______ =k.
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Aug
22. x and y are said to vary directly with each other if for some positive number k, ______ =k. ______ =k. 22. x and y are said to vary directly with each other if for some positive number k August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT [...]
21. Both x and y are said to vary ______ with each other if for some positive number k, xy = k.
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Aug
21. Both x and y are said to vary ______ with each other if for some positive number k, xy = k. 21. Both x and y are said to vary ______ with each other if for some positive number k xy = k. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions [...]
20. When two quantities x and y are in _______ proportion or vary ______ they are written as x ∝ y/1.
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Aug
20. When two quantities x and y are in _______ proportion or vary ______ they are written as x ∝ y/1. 20. When two quantities x and y are in _______ proportion or vary ______ they are written as x ∝ y/1. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths [...]
19. When two quantities x and y are in ______ proportion or vary ______ they are written as x ∝ y.
05
Aug
19. When two quantities x and y are in ______ proportion or vary ______ they are written as x ∝ y. 19. When two quantities x and y are in ______ proportion or vary ______ they are written as x ∝ y. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths [...]
18. If xy = 10, then x and y vary ______ with each other.
05
Aug
18. If xy = 10, then x and y vary ______ with each other. 18. If xy = 10 then x and y vary ______ with each other. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 ,
17. If x = 5y, then x and y vary ______ with each other.
05
Aug
17. If x = 5y, then x and y vary ______ with each other. 17. If x = 5y then x and y vary ______ with each other. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 ,
16. Both x and y vary directly with each other and when x is 10, y is 14, which of the following is not a possible pair of corresponding values of x and y?
05
Aug
16. Both x and y vary directly with each other and when x is 10, y is 14, which of the following is not a possible pair of corresponding values of x and y? 16. Both x and y vary directly with each other and when x is 10 which of the following is not [...]