Advertisements
Advertisements
Question
Are the following statements true?
45 km : 60 km = 12 hours : 15 hours
Options
True
False
Solution
This statement is False.
Explanation:
45 km : 60 km = 12 hours : 15 hours
`45/60 = 3/4, 12/15 = 4/5`
APPEARS IN
RELATED QUESTIONS
If a/b = c/d prove that each of the given ratio is equal to `(13a - 8c)/(13b - 8d)`
If a, b, c and d are in proportion prove that `sqrt((4a^2 + 9b^2)/(4c^2 + 9d^2)) = ((xa^3 - 4yb^3)/(xc^3 - 5yd^3))^(1/3)`
Find the value of the unknown in the following proportion :
3 : 4 : : p : 12
Find the third proportion to the following :
(x - y) and m (x - y)
If a, b, c and dare in continued proportion, then prove that
ad (c2 + d2) = c3 (b + d)
Find the value of x in the following proportions : 10 : 35 = x : 42
What number must be added to each of the numbers 16, 26 and 40 so that the resulting numbers may be in continued proportion?
The ratio of boys and girls in a school is 12 : 5. If the number of girls is 840, the total strength of the school is
If a, b, c are in continued proportion, prove that: abc(a + b + c)3 = (ab + bc + ca)3
If x : y = y : z, then x2 : y2 is ______.