Advertisements
Advertisements
Question
Express the following ratios in its simplest form :
1 hour: 45 minutes
Solution
1 hour: 45 minutes = 60 minutes : 45 minutes
(∵ 1 hour = 60 minutes)
`60/45=4/3 = 4:3`
APPEARS IN
RELATED QUESTIONS
If a : b = 5 : 3, find : `(5a - 3b)/(5a + 3b)`.
If (3x – 9) : (5x + 4) is the triplicate ratio of 3 : 4, find the value of x.
The ratio between the number of boys and the number of girls in a class is 4:3 . If there were 20 more boys and 12 less girls, the ratio would have been 2:1. Find the total number of students in
the class.
The ratio of the pocket money saved by a boy and his sister is 5:4. If the brother saves Rs 100 more, how much more should the sister save in order to keep the ratio of their savings unchanged ?
Show that the value of x is 11, when `("x"^3 + "3x")/(3"x"^2 + 1) = 341/91`
If (a – x) : (b – x) be the duplicate ratio of a: b show that:
`(1)/x = (1)/a + (1)/b.`
Check whether the following quantities form a proportion or not?
0.8, 3, 2.4 and 9
Find the mean proportional between 0.9 and 2.5
Divide 81 into three parts in the ratio 2 : 3 : 4.
Which ratio is greater:
`8/15` or `5/9`
Find the value of x of the following such that the given numbers are in proportion.
14, 42, x and 75
In the example below, find the proportion of the first number to the second.
84, 60
If (4x² + xy) : (3xy – y²) = 12 : 5, find (x + 2y) : (2x + y).
The sides of a triangle are in the ratio 7 : 5 : 3 and its perimeter is 30 cm. Find the lengths of sides.
In a mixture of 45 litres, the ratio of milk to water is 13 : 2. How much water must be added to this mixture to make the ratio of milk to water as 3 : 1 ?
Find the following ratio in the simplest form:
1.8 kg to 6 kg
Find the following ratio in the simplest form:
48 minutes to 1 hour
Fill in the place holder:
If the ratio of Green, Yellow and Black balls in a bag is 4 : 3 : 5, then
(a) Which is the most likely ball that you can choose from the bag?
(b) How many balls in total are there in the bag if you have 40 black balls in it?
(c) Find the number of green and yellow balls in the bag.
Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of women to the total number of persons.
