Advertisements
Advertisements
प्रश्न
If x2, 4 and 9 are in continued proportion, find x.
Advertisements
उत्तर
Given, x2, 4 and 9 are in continued proportion.
`("x"^2)/4 = 4/9`
⇒ 9x2 = 16
⇒ x2 = `16/9`
⇒ x = `4/3`
संबंधित प्रश्न
If r2 = pq, show that p : q is the duplicate ratio of (p + r) : (q + r).
If 5x + 6y : 8x + 5y = 8 : 9, find x : y.
Convert the following percentage to fractions and ratio:
125%
Express the following ratios in its simplest form :
`2 1/3 : 3 1/2: 1 1/4`
If a: b with a ≠ b is the duplicate ratio of a + c: b + c, show that c2 = ab.
Find the fourth proportional of 2.1, 1.5 and 8.4.
The ratio of the number of girls to the number of boys in a school is 2 : 5. If the number of boys is 225; find:
(i) the number of girls in the school.
(ii) the number of students in the school.
Find the triplicate ratio of `(1)/(2) : (1)/(3)`
Show that 48, 60, 75 are in continued proportion.
Which pair of ratios are equal? And why?
`8/4, 2/1`
