Advertisements
Advertisements
Question
Find the sub-duplicate ratio of the following :
`(9"a"^2)/5 : (25"a"^2)/3`
Solution
`(9"a"^2)/5 : (25"a"^2)/3`
`= sqrt ((9"a"^2)/5) : sqrt ((25"a"^2)/3)`
`= 3"a" 1/sqrt 5 : 5"a" 1/sqrt 3`
`= 3 sqrt 3 : 5 sqrt 5`
Sub-duplicate ratio = `3 sqrt 3 : 5 sqrt 5`
APPEARS IN
RELATED QUESTIONS
Find duplicate ratio of `3sqrt(3) : 2sqrt(5)`
A school has 630 students. The ratio of the number of boys to the number of girls is 3 : 2. This ratio changes to 7 : 5 after the admission of 90 new students. Find the number of newly admitted boys.
Find the ratio between 5 dozen and 2 scores. [1 score = 20]
Find the compound ratio of the following:
If P : Q = 6 : 7, Q : R = 8 : 9 find P : Q : R.
The sides of a triangle are in the ratio 3 : 2 : 4. If the perimeter of the triangle is 27 cm, find the length of each side.
Find the duplicate ratio of 2 : 3
If `(3x + 5y)/(3x - 5y) = (7)/(3)` , Find x : y
One of the terms in a ratio cannot be 1
The ratio of the number of sides of a square to the number of edges of a cube is ______.
The ratio of the area of the shaded portion to that of the whole figure is ______.
