Advertisements
Advertisements
Question
Find the sub-duplicate ratio of the following :
`(9"a"^2)/5 : (25"a"^2)/3`
Advertisements
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 the ratio of the following in the simplest fcrm:
Rs 5.40 and 180 paise
Find the ratio of the following in the simplest fcrm:
a4 + b4 and a3 - b3
Two numbers are in the ratio 5 : 7 and the difference of their squares is 600. Find the numbers.
If x2, 4 and 9 are in continued proportion, find x.
Find the third proportional of 1.6 and 0.8
Find the mean proportional between `1/4 "and" 1/16`
Mr. Gupta divides Rs 81000 among his three children Ashok, Mohit, and Geeta in such a way that Ashok gets four times what Mohit gets and Mohit gets 2.5 times what Geeta gets. Find the share of each of them.
Find the ratio of:
150 mL to 2 L
The ratio of zinc and copper in an alloy is 7 : 9. If the weight of copper in the alloy is 12.6 kg, find the weight of zinc in it.
On a shelf, books with green cover and that with brown cover are in the ratio 2 : 3. If there are 18 books with green cover, then the number of books with brown cover is ______.
