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`
`=> 9x^2 = 16`
`=> x^2 = 16/9`
`=> x = 4/3`
APPEARS IN
संबंधित प्रश्न
Find the fourth proportional to:
2xy, x2, y2
Find the third proportional to `5(1)/(4) and 7.`
What number should be subtracted from each of the numbers 23, 30, 57 and 78 so that the remainders are in proportion ?
Write (T) for true and (F) for false in case of the following:
36 : 45 : : 80 : 100
If a, b, c and d are in proportion, prove that: `(a + c)^3/(b + d)^3 = (a(a - c)^2)/(b(b - d)^2)`
A particular high school has 1500 students 50 teachers and 5 administrators. If the school grows to 1800 students and the ratios are maintained, then find the number of teachers and administrators
Find the missing number in the box in the proportion:
`square/45 = 16/40 = 24/square`
Determine if the following are in proportion.
33, 121, 9, 96
Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
2 kg : 80 kg and 25 g : 625 g
Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
200 mL : 2.5 litre and ₹ 4 : ₹ 50
