Advertisements
Advertisements
प्रश्न
Find the value of x of the following such that the given numbers are in proportion.
45, 135, 90 and x
Advertisements
उत्तर
∵ 45, 135, 90 and x are in proportion
∴ `45/135=90/"x"`
⇒ 45 × x =90 × 135
⇒ x = `(90xx135)/45=270`
∴ x = 270
APPEARS IN
संबंधित प्रश्न
Which of the following ratio is greater ?
5 : 8 and 7 : 10
Reema has 24 notebooks and 18 books. Find the ratio of notebooks to books.
30 cricket players and 20 kho-kho players are training on a field. What is the ratio of cricket players to the total number of players?
Find the compounded ratio of: 4 : 5, 5 : 7 and 9 : 11
Find the sub-duplicate ratio of `(1)/(4) : (1)/(9)`
If A: B = `(1)/(4) : (1)/(5)` and B : C = `(1)/(7) : (1)/(6)`, find A : B : C.
A bus covers 128 km in 2 hours and a train covers 240 km in 3 hours. Find the ratio of their speeds.
Fill in the place holder:
There are ‘b’ boys and ‘g’ girls in a class. The ratio of the number of boys to the total number of students in the class is ______.
Express `16 2/3%` as a ratio in the lowest form.
