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प्रश्न
The perimeter of a circle and its diameter vary ______ with each other.
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उत्तर
The perimeter of a circle and its diameter vary directly with each other.
Explanation:
Perimeter of a circle = 2πr
Diameter of a circle = 2 × r
⇒ Perimeter = π × Diameter ...[∵ π = constant]
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संबंधित प्रश्न
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).
If the cost of 93 m of a certain kind of plastic sheet is Rs 1395, then what would it cost to buy 105 m of such plastic sheet?
Aasheesh can paint his doll in 20 minutes and his sister Chinki can do so in 25 minutes. They paint the doll together for five minutes. At this juncture they have a quarrel and Chinki withdraws from painting. In how many minutes will Aasheesh finish the painting of the remaining doll?
8 men can do a piece of work in 9 days. In how many days will 6 men do it?
100 persons had food provision for 24 days. If 20 persons left the place, the provision will last for ______.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The number of people working and the quantity of work.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Area of land and its cost.
In a camp, there is enough flour for 300 persons for 42 days. How long will the flour last if 20 more persons join the camp?
It is given that l varies directly as m. Find m when l is 8.
Ms. Anita has to drive from Jhareda to Ganwari. She measures a distance of 3.5 cm between these villages on the map. What is the actual distance between the villages if the map scale is 1 cm = 10 km?
