Advertisements
Advertisements
Question
If x2, 4 and 9 are in continued proportion, find x.
Solution
Given, x2, 4 and 9 are in continued proportion.
⇒ 9x2 = 16
⇒ x2 =
⇒ x =
APPEARS IN
RELATED QUESTIONS
Find the reciprocal ratio of 5 : 8
If a : b = 4 : 7, find the following:
In a class, one out of every 5 students pass. If there are 225 students in all the sections of a class, find how many pass?
Find the ratio of the first quantity to the second.
25 beads, 40 beads
Find the reciprocal ratio of
In a mixture of 45 litres, the ratio of milk to water is 13 : 2. How much water must be added to this mixture to make the ratio of milk to water as 3 : 1 ?
The ratio of the number of boys to the number of girls in a school of 560 pupils is 5 : 3. If 10 new boys are admitted, find how many new girls may be admitted so that the ratio of the number of boys to the number of girls may change to 3 : 2.
If a bus travels 160 km in 4 hours and a train travels 320 km in 5 hours at uniform speeds, then the ratio of the distances travelled by them in one hour is ______.
In a year, Ravi earns Rs 360000 and paid Rs 24000 as income tax. Find the ratio of his income tax to income after paying income tax.
When Chinmay visted chowpati at Mumbai on a holiday, he observed that the ratio of North Indian food stalls to South Indian food stalls is 5:4. If the total number of food stalls is 117, find the number of each type of food stalls.
