Advertisements
Advertisements
प्रश्न
Find the value of x of the following such that the given numbers are in proportion.
45, 135, 90 and x
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
What quantity must be added to each term of the ratio x : y so that it may become equal to c : d?
The ratio between the number of boys and the number of girls in a class is 4:3 . If there were 20 more boys and 12 less girls, the ratio would have been 2:1. Find the total number of students in
the class.
If a: b = 4: 7, find the following:
`(5"a" - 4"b")/(2"a" - 3"b")`
If p : q = 2 : 5 , q : r = 4 : 3, then find p : r
Show that the value of x is 11, when `("x"^3 + "3x")/(3"x"^2 + 1) = 341/91`
Express the following ratios in its simplest form :
1 hour: 45 minutes
A field is 80 m long and 60 m wide. Find the ratio of its width to its length.
Divide Rs. 720 between Sunil, Sbhil and Akhil. So that Sunil gets 4/5 of Sohil’s and Akhil’s share together and Sohil gets 2/3 of Akhil’s share.
If (x - 9) : (3x + 6) is the duplicate ratio of 4 : 9, find the value of x.
The angles of a triangle are in the ratio 3 :2 : 7. Find each angle.
Check whether the following quantities form a proportion or not?
3x, 7x, 24 and 56
Which ratio is greater:
`8/15` or `5/9`
Which ratio is greater:
`3/7` or `6/13`
Find the triplicate ratio of `(1)/(2) : (1)/(3)`
Find the reciprocal ratio of `(1)/(9) : 2`
Write the following ratio in the simplest form:
3 m 5 cm : 35 cm
A hostel is to be built for schoolgoing girls. Two toilets are to be built for every 15 girls. If 75 girls will be living in the hostel, how many toilets will be required in this proportion?
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?
In the following figure, division represents 1 cm:
Express numerically the ratios of the following distances:
BF : AI
In a floral design made from tiles dimensions 40 cm by 60 cm (See figure), find the ratios of the area of the shaded portion to the area of the unshaded portion.
