Advertisements
Advertisements
Question
The ratio of 8 books to 20 books is ______.
Options
2:5
5:2
4:5
5:4
Solution
The ratio of 8 books to 20 books is 2:5.
Explanation:
= 8 books/20 books
= `8/20`
= 2:5 .....[On dividing numerator and denominator by 4]
APPEARS IN
RELATED QUESTIONS
If a: b = 4: 7, find the following:
`(5"a" - 4"b")/(2"a" - 3"b")`
Find the duplicate ratio of the following :
(a+b): (a2- b2)
If (p - x) : (q - x) be the duplicate ratio of p : q then show that: `1/"p" + 1/"q" = 1/"x"`
Express the given ratio in its simplest form: 22 : 66
Express the given ratio in its simplest form: `6 1/4 : 12 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.
Divide Rs 10,400 among A, B and C in the ratio `1/2:1/3:1/4`
In the example below, find the proportion of the first number to the second.
35, 65
In class X of a school, the ratio of the number of boys to that of the girls is 4 : 3. If there were 20 more boys and 12 less girls, then the ratio would have been 2 : 1, How many students were there in the class?
Distances travelled by Hamid and Akhtar in an hour are 9 km and 12 km. Find the ratio of speed of Hamid to the speed of Akhtar.
