Advertisements
Advertisements
Question
What is the mean proportional of 4 and 25?
Options
6
8
10
12
Advertisements
Solution
10
Explanation:
Mean proportional of 4 and 25
= `sqrt [ 4 xx 25]`
= `sqrt 100`
= 10
Thus, the mean proportional of 4 and 25 is 10.
APPEARS IN
RELATED QUESTIONS
From the following pair of numbers, find the reduced form of ratio of first number to second number.
52, 78
Find the reduced form of the ratio of the first quantity to second quantity.
₹ 14, ₹ 12. 40 paise
Find the reduced form of the ratio of the first quantity to second quantity.
5 litre, 2500 ml
Find the reduced form of the ratio of the first quantity to second quantity.
3.8 kg, 1900 gm
Convert the following ratio into percentage.
`7/10`
Convert the following ratio into percentage.
`7/16`
Present ages of Vatsala and Sara are 14 years and 10 years respectively. After how many years the ratio of their ages will become 5 : 4?
The ratio of present ages of Rehana and her mother is 2 : 7. After 2 years, the ratio of their ages will be 1 : 3. What is Rehana's present age?
Find the following ratio.
The ratio of radius to circumference of the circle.
Find the following ratio.
The ratio of circumference of circle with radius r to its area.
Find the following ratio.
The ratio of diagonal of a square to its side, if the length of side is 7 cm.
Find the following ratio.
The lengths of sides of a rectangle are 5 cm and 3.5 cm. Find the ratio of its perimeter to area.
For the following numbers write the ratio of first number to second number in the reduced form.
138, 161
Write the following ratio in the reduced form.
The ratio of perimeter to the area of a square, having side 4 cm.
Convert the following ratio into percentage.
37 : 500
Convert the following ratio into percentage.
`5/16`
Write the ratio of first quantity to second quantity in the reduced form.
1024 MB, 1.2 GB (1024 MB = 1 GB)
Write the ratio of first quantity to second quantity in the reduced form.
17 Rupees, 25 Rupees 60 paise
Write the ratio of first quantity to second quantity in the reduced form.
4 sq.m, 800 sq.cm
