Advertisements
Advertisements
प्रश्न
If (3x – 9) : (5x + 4) is the triplicate ratio of 3 : 4, find the value of x.
Advertisements
उत्तर
We have,
`(3x - 9)/(5x + 4) = 3^3/4^3`
`=> (3x - 9)/(5x + 4) = 27/64`
`=> (3(x - 3))/(5x + 4) = 27/64`
`=>(x - 3)/(5x + 4)= 9/64`
`=>` 64x – 192 = 45x + 36
`=>` 19x = 228
`=>` x = 12
APPEARS IN
संबंधित प्रश्न
If 15(2x2 – y2) = 7xy, find x : y; if x and y both are positive.
Express the following ratios in its simplest form :
1 hour: 45 minutes
Is the ratio of 6 g and 15 g same as the ratio of 36 cm and 90 cm ?
If y (3x – y) : x (4x + y) = 5 : 12. Find (x² + y²) : (x + y)².
Write the following ratio in the simplest form:
Rs 6.30 : Rs 16.80
Thirumagal's mother wears a bracelet made of 35 red beads and 30 blue beads. Thirumagal wants to make smaller bracelets using the same two coloured beads in the same ratio. In how many different ways can she make the bracelets?
Neelam’s annual income is Rs. 288000. Her annual savings amount to Rs. 36000. The ratio of her savings to her expenditure is ______.
Express `33 1/3%` as a ratio in the lowest term.
In the ratio 7 : 11, which term is called the consequent?
In a ratio of 5 : 9, the antecedent is:
