Advertisements
Advertisements
प्रश्न
Find the following ratio.
The ratio of radius to circumference of the circle.
Advertisements
उत्तर
Let the radius of the circle be r units
∴ Circumference of the circle = 2πr units
Radius of the circle : Circumference of the circle = r : 2πr = `r / (2πr) = 1/ (2π) = 1 : 2π`
Thus, the ratio of radius to circumference of the circle is 1 : 2π
APPEARS IN
संबंधित प्रश्न
From the following pairs of numbers, find the reduced form of ratio of first number to second number.
72, 60
Find the reduced form of the ratio of the first quantity to second quantity.
5 litre, 2500 ml
Find the reduced form of the ratio of the first quantity to the second quantity.
3 years 4 months, 5 years 8 months
Find the reduced form of the ratio of the first quantity to second quantity.
3.8 kg, 1900 gm
Express the following percentage as ratio in the reduced form.
0.64%
Convert the following ratio into percentage.
`546 / 600`
Convert the following ratio into percentage.
`7/16`
The ratio of ages of Abha and her mother is 2 : 5. At the time of Abha's birth her mothers age was 27 year. Find the present ages of Abha and her mother.
The ratio of present ages of Albert and Salim is 5 : 9. Five years hence ratio of their ages will be 3 : 5. Find their present ages.
The ratio of length and breadth of a rectangle is 3 : 1, and its perimeter is 36 cm. Find the length and breadth of the rectangle.
The ratio of two numbers is 31 : 23 and their sum is 216. Find these numbers.
If 6 : 5 = y : 20 then what will be the value of y?
The ages of Jatin, Nitin and Mohasin are 16, 24 and 36 years respectively. What is the ratio of Nitin’s age to Mohasin’s age?
For the following numbers write the ratio of first number to second number in the reduced form.
36, 90
For the following numbers write the ratio of first number to second number in the reduced form.
65, 117
For the following numbers write the ratio of first number to second number in the reduced form.
138, 161
For the following numbers write the ratio of first number to second number in the reduced form.
114, 133
Convert the following ratio into percentage.
`5/16`
Convert the following ratio into percentage.
`144/1200`
Write the ratio of first quantity to second quantity in the reduced form.
1.5 kg, 2500 gm
