Advertisements
Advertisements
प्रश्न
If 5x + 6y : 8x + 5y = 8 : 9, find x : y.
Advertisements
उत्तर
5x + 6y : 8x + 5y = 8 : 9
`(5x + 6y)/(8x + 5y) = 8/9`
9(5x + 6y) = 8(8x + 5y)
45x + 54y = 64x + 40y
64x – 45x = 54y – 40y
19x = 14y
`x/y = 14/19`
APPEARS IN
संबंधित प्रश्न
Find the ratio of the speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.
Find the compound ratio of the following:
If P : Q = 6 : 7, Q : R = 8 : 9 find P : Q : R.
Express the given ratio in its simplest form: `1 1/3:2 1/4:2 1/2`
If x : y − 5 : 4 and 2 : x = 3 : 8, find the value of y.
In winter, a school opens at 10 a.m. and closes at 3.30 p.m. If the lunch interval is of 30 minutes, find the ratio of lunch interval to total lime of the class periods.
Which ratio is smaller:
`7/15` or `15/32`
If (x – 9) : (3x + 6) is the duplicate ratio of 4 : 9, find the value of x.
The ratio of the number of sides of a triangle to the number of sides of a rectangle is
The ratio of 1 hour to one day is 1 : 1.
Consider the statement: Ratio of breadth and length of a hall is 2 : 5. Complete the following table that shows some possible breadths and lengths of the hall.
|
Breadth of the hall (in metres) |
10 |
`square` |
40 |
|
Length of the hall (in metres) |
25 |
50 |
`square` |
