Advertisements
Advertisements
Question
Find the mean proportional between 0.6 and 9.6
Advertisements
Solution
Mean proportional between 0.6 and 9.6
`= sqrt(0.6 xx 9.6)`
`= sqrt(6/10 xx 96/10)`
`= sqrt (576/100) = 24/10`
= 2.4
APPEARS IN
RELATED QUESTIONS
If x = `"pab"/("a + b")`, then prove that `("x + pa")/("x - pa") + ("x + pb")/("x - pb") = (2("a"^2 - "b"^2))/"ab"`
The strength of a class is 65, including 30 girls. Find the ratio of the number of:
(i) girls to boys
(ii) boys to the whole class
(iii) the whole class to girls
Find: The triplicate ratio of 3: 7
Solve for x: `(3x^2 + 5x + 18)/(5x^2 + 6x + 12) = (3x + 5)/(5x - 6)`.
Find the mean proportional between `1/4 "and" 1/16`
A factory produces electric bulbs. If 1 out of every 10 bulbs is defective and the factory produces 630 bulbs per day, find the number of defective bulbs produced each day.
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 ______.
A ratio is a form of comparison by ______.
Divide 20 pens between Sheela and Sangeeta in the ratio of 3 : 2.
If (2x + 3y) : (3x + 2y) = 4 : 3; then x : y is ______.
