Advertisements
Advertisements
Question
If (3x-4) : (2x+5) is the duplicate ratio of 3 : 4 , find x.
Solution
`(3x-4)/(2x+5) = (3)^2/(4)^2`
⇒ `(3x-4)/(2x+5) = (3) = 9/16`
⇒ 48x - 64 - 18x + 45
⇒ 30 x - 109
⇒ x = `109/30`
x = `109/30`
APPEARS IN
RELATED QUESTIONS
Convert the following ratio to a percentage.
2 : 3
Find the triplicate ratio of the following :
`sqrt 15 : sqrt 18`
If 3x – 2y – 7z = 0 and 2x + 3y – 5z = 0 find x : y : z.
Two numbers are in the ratio of 3: 5. If 8 is added to each number, the ratio becomes 2 : 3. Find the numbers.
Find: The sub-triplicate ratio of 216: 343
A rectangular field is 100 m by 80 m. Find the ratio of length to its breadth.
Find the ratio of the first quantity to the second.
125 cm, 1 metre
If (3x + 1) : (5x + 3) is the triplicate ratio of 3 : 4, find the value of x.
If the cost of 5 bars of soap is Rs 82.50, then the cost of one dozen such bars is
The ratio of the pocket money saved by Lokesh and his sister is 5 : 6. If the sister saves Rs 30 more, how much more the brother should save in order to keep the ratio of their savings unchanged?