Advertisements
Advertisements
Question
Check whether the following quantities form a proportion or not?
0.8, 3, 2.4 and 9
Advertisements
Solution
0.8, 3, 2.4 and 9 are in proportion.
if 0.8 × 9 = 3 × 2.4
⇒ 7.2 = 7.2
which is true
Hence 0.8, 3, 2.4 and 9 are in proportion.
APPEARS IN
RELATED QUESTIONS
Using properties of proportion solve for x, given
`(sqrt(5x)+sqrt(2x -6))/(sqrt(5x)- sqrt(2x -6)) = 4`
What quantity must be subtracted from each term of the ratio 39 : 89 to make it equal to 2 : 5 ?
In a mixture of 126 kg of milk and water, milk and water are in ratio 5 : 2. How much water must be added to the mixture to make this ratio 3 : 2?
If (x + 3) : (4x + 1) is the duplicate ratio of 3 : 5, find the value of x.
The weekly expenses of a boy have increased from ₹ 1,500 to ₹ 2,250. Find the ratio of:
(i) increase in expenses to original expenses.
(ii) original expenses to increased expenses.
(iii) increased expenses to increase in expenses.
Find the third proportional of `1/7 "and" 3/14`
In winter, a school opens at 10 a.m. and closes at 3.30 p.m. If the lunch interval is of 30 minutes, find the ratio of lunch interval to total lime of the class periods.
In the example below, find the ratio of the first number to the second.
84, 60
The ratio of 1 l to 50 ml is ______________
In the following figure, find the ratio of the area of the shaded portion to that of the whole figure:
