Advertisements
Advertisements
Question
Find the duplicate ratio of the following :
`3 sqrt (2"a") : 2 sqrt (3"a")`
Solution
`3 sqrt (2"a") : 2 sqrt (3"a")`
= `(3 sqrt (2"a"))^2 : (2 sqrt (3"a"))^2`
= 18a : 12a
= 3 : 2
Duplicate ratio = 3 : 2
APPEARS IN
RELATED QUESTIONS
If `(m + n)/(m + 3n) = 2/3`, find : `(2n^2)/(3m^2 + mn)`.
If (p – x) : (q – x) be the duplicate ratio of p : q then show that : `1/p + 1/q = 1/x`.
If a : b = 3 : 5, find: (10a + 3b) : (5a + 2b)
If (3x – 4y) : (2x – 3y) = (5x – 6y) : (4x – 5y), find x : y.
A rectangular field is 100 m by 80 m. Find the ratio of length to its breadth.
How will Rs 31500 be shared between A, B, and C; if A gets the double of what B gets, and B gets the double of what C gets?
A certain sum was divided among A, B and C in the ratio 7 : 5 : 4. If B got Rs 500 more than C, find the total sum divided.
Divide Rs 1400 among A. B and C in the ratio 2 : 3 : 5.
Neelam’s annual income is Rs. 288000. Her annual savings amount to Rs. 36000. The ratio of her savings to her expenditure is ______.
In a box, the ratio of red marbles to blue marbles is 7:4. Which of the following could be the total number of marbles in the box?