Advertisements
Advertisements
प्रश्न
If (3a + 2b) : (5a + 3b) = 18 : 29. Find a : b
उत्तर
`(3a +2b)/(5a +3b) = 18/29`
⇒ 29(3a + 2b) = 18(5a + 3b)
⇒ 87a + 58b = 90a + 54b
⇒ 58b - 54b = 90a - 87a
⇒ 4b = 3a
`⇒ a/b = 4/3`
APPEARS IN
संबंधित प्रश्न
What quantity must be added to each term of the ratio x : y so that it may become equal to c : d?
Express the following ratios in its simplest form :
`1 1/2:2 1/2`
In a club has 360 members, 40 play carrom, 96 play table tennis, 144 play badminton, and remaining members play volley-ball. If no member plays two or more games, find the ratio of members who play:
(i) carrom to the number of those who play badminton.
(ii) badminton to the number of those who play table-tennis.
(iii) table-tennis to the number of those who play volley-ball.
(iv) volleyball to the number of those who play other games.
Do the ratios 2 kg : 80 kg and 25 g : 625 g form a proportion?
An alloy consists of `27(1)/(2)` kg of copper and `2(3)/(4)` kg of tin. Find the ratio by weight of tin to the alloy.
The greatest ratio among the ratios 2:3, 5:8, 75:121 and 40:25 is ______.
25 kg : 20 g = 50 kg : 40 g
In the given figure, the comparative areas of the continents are given: What is the ratio of the areas of
(a) Africa to Europe
(b) Australia to Asia
(c) Antarctica to Combined area of North America and South America.
Out of 30 students in a class, 6 like football, 12 like cricket and remaining like tennis. Find the ratio of number of students liking football to number of students liking tennis.
Find the ratio of the following:
33 km to 121 km
