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प्रश्न
x and y are said to vary directly with each other if for some positive number k, ______ = k.
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उत्तर
x and y are said to vary directly with each other if for some positive number k, `underlinebb(x/y)` = k.
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संबंधित प्रश्न
Following are the car parking charges near a railway station upto
| 4 hours | ₹60 |
| 8 hours | ₹100 |
| 12 hours | ₹140 |
| 24 hours | ₹180 |
Check if the parking charges are in direct proportion to the parking time.
Which of the following quantities vary directly with each other?
(i) Number of articles (x) and their price (y).
(ii) Weight of articles (x) and their cost (y).
(iii) Distance x and time y, speed remaining the same.
(iv) Wages (y) and number of hours (x) of work.
(v) Speed (x) and time (y) (distance covered remaining the same).
(vi) Area of a land (x) and its cost (y).
The cost of 97 metre of cloth is Rs 242.50. What length of this can be purchased for Rs 302.50?
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?
A truck needs 54 litres of diesel for covering a distance of 297 km. The diesel required by the truck to cover a distance of 550 km is ______.
If two quantities x and y vary directly with each other, then ______
If two quantities x and y vary directly with each other, then ______ of their corresponding values remains constant.
It is given that l varies directly as m. Find l, when m is 33.
Ravi starts for his school at 8:20 a.m. on his bicycle. If he travels at a speed of 10 km/h, then he reaches his school late by 8 minutes but on travelling at 16 km/h he reaches the school 10 minutes early. At what time does the school start?
Here is a keyboard of a harmonium: What is the ratio of black keys to all keys on the given keyboard.
