Advertisements
Advertisements
प्रश्न
If 4, x and 9 are in continued proportion, find the value of x.
Advertisements
उत्तर
4, x and 9 are in continued proportion
⇒ 4 : x = x : 9
⇒ x2 = 9 x 4
⇒ x = `sqrt36`
x = 6
APPEARS IN
संबंधित प्रश्न
If a : e = 5 : 12, e : i = 8 : 3 and i : u = 9 : 16, then find a : u
Find the duplicate ratio of the following :
`sqrt 10 : sqrt 14`
Find the duplicate ratio of the following :
`2/3 : 4/9`
If `x/(b + c - a) = y/(c + a - b) = z/(a + b - c)` then show that (b - c)x + (c - a)y + (a - b) z = 0.
In the example below, find the ratio of the first number to the second.
121, 99
Find the compounded ratio of: 4 : 5, 5 : 7 and 9 : 11
Write the following ratio in the simplest form:
4 kg : 2 kg 500 g
Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of the father to the age of son, when son was 12 years old.
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.
Divide 20 pens between Sheela and Sangeeta in the ratio of 3 : 2.
