Advertisements
Advertisements
Question
Both x and y are in direct proportion, then `1/x` and `1/y` are ______.
Options
in indirect proportion.
in inverse proportion.
neither in direct nor in inverse proportion.
sometimes in direct and sometimes in inverse proportion.
Advertisements
Solution
Both x and y are in direct proportion, then `1/x` and `1/y` are in inverse proportion.
Explanation:
If both x and y are in directly proportion, then `1/x` and `1/y` are in inverse proportion.
Hence, in inverse proportion.
Notes
Two quantities x and y are said to be in inverse proportion, if an increase in x cause a proportional decrease in y and vice-versa.
APPEARS IN
RELATED QUESTIONS
A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
Fill in the blank in of the following so as to make the statement true:
If u = 3 v, then u and v vary .... with each other.
6 men can complete the electric fitting in a building in 7 days. How many days will it take if 21 men do the job?
Two mobiles cost 16,000 rupees. How much money will be required to buy 13 such mobiles?
If the weight of 12 sheets of thick paper is 40 grams, how many sheets of the same paper would weigh 2.5 kilograms?
The shadow of a pole with height of 8 m is 6 m. If the shadow of another pole measured at the same time is 30 m, find the height of the pole?
Assuming land to be uniformly fertile, the area of land and the yield on it vary ______
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.
The mass of an aluminum rod varies directly with its length. If a 16 cm long rod has a mass of 192 g, find the length of the rod whose mass is 105 g.
From the following table, determine if x and y are in direct proportion or not.
| x | 4 | 7 | 10 | 16 |
| y | 24 | 42 | 60 | 96 |
