Advertisements
Advertisements
प्रश्न
Write True (T) or False (F) against the following statement:
12 : 18 : : 28 : 12
विकल्प
True
False
उत्तर
This statement is False.
Explanation:
12 : 18 : : 28 : 12
`12/18 = 2/3, 28/12 = 7/3`
Therefore, 12 : 18 ≠ 28 : 12
APPEARS IN
संबंधित प्रश्न
If q is the mean proportional between p and r prove that `(p^3 + q^3 + r^3)/(p^2q^2r^2) = 1/p^3 + 1/q^3 = 1/r^3`
If x, y, z are in continued proportion prove that `(x + y)^2/(y + z)^2 = x/z`
Using the properties of proportion, solve for x, given.
`(x^4 + 1)/(2x^2) = (17)/(8)`.
Show that the following numbers are in continued proportion:
36, 90, 225
A transport company charges Rs 540 to carry 25 tonnes of weight. What will it charge to carry 35 tonnes?
The weight of 65 books is 13 kg.
(i) What is the weight of 80 such books?
(ii) How many such books weigh 6.4 kg?
In a fort, 550 men had provisions for 28 days. How many days will it last for 700 men?
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)`
Find whether 12, 24, 18, 36 are in order that can be expressed as two ratios that are in proportion
The mean proportional between 4 and 9 is ______.
