Advertisements
Advertisements
प्रश्न
The ratio of the length and the width of a rectangular sheet of paper is 8 : 5. If the width of the sheet is 17.5 cm; find the length.
Advertisements
उत्तर
Let length of sheet = x cm
Ratio in length and breadth = 8 : 5
and width = 17.5 cm
8 : 5 = x : 17.5
⇒ `8/5="x"/17.5`
⇒ 8 × 17.5 = x × 5
⇒ x = `(8xx17.5)/5` = 8 × 3.5 = 28
Length of sheet = 28 cm
APPEARS IN
संबंधित प्रश्न
If a : b = 3 : 8, find the value of `(4a + 3b)/(6a - b)`.
If the ratio between 8 and 11 is the same as the ratio of 2x – y to x + 2y, find the value of `(7x)/(9y)`.
Divide 64 cm long string into two parts in the ratio 5 : 3.
Two numbers are in the ratio 4 : 7. If their L.C.M. is 168, find the numbers.
Two numbers are in the ratio 9 : 2. If the smaller number is 320, find the larger number.
The ratio of the number of girls to the number of boys in a school is 2 : 5. If the number of boys is 225; find:
(i) the number of girls in the school.
(ii) the number of students in the school.
The ages of A and B are in the ratio 6 : 5. If A’s age is 18 years, find the age of B.
Find the following ratio in the simplest form:
84 paise to Rs 3
In the following figure, the comparative areas of the continents are given: What is the ratio of the areas of
- Africa to Europe
- Australia to Asia
- Antarctica to Combined area of North America and South America.
Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of father to the age of son when father was 30 years old.
