Advertisements
Advertisements
Question
If the ratios formed using the numbers 2, 5, x, 20 in the same order are in proportion, then ‘x’ is
Options
50
4
10
8
Advertisements
Solution
If the ratios formed using the numbers 2, 5, x, 20 in the same order are in proportion, then ‘x’ is 8
APPEARS IN
RELATED QUESTIONS
If `a/b = c/d` prove that each of the given ratios is equal to
`(5a + 4c)/(5b + 4d)`
Check whether the following numbers are in continued proportion.
9, 12, 16
Find the value of the unknown in the following proportion :
`1/2 : "m" :: 14/9 : 4/3`
Find the mean proportion of the following :
`28/3` and `175/27`
If three quantities are in continued proportion, show that the ratio of the first to the third is the duplicate ratio of the first to the second.
If p, q and r in continued proportion, then prove the following :
`"p"^2 - "q"^2 + "r"^2 = "q"^4 (1/"p"^2 - 1/"q"^2 - 1/"r"^2)`
Find the value of x in each of the following proportions:
55 : 11 : : x : 6
If 57 : x : : 51 : 85, then the value of x is
If 4 : 5 : : x : 35, then the value of x is
Do the ratios 15 cm to 2 m and 10 sec to 3 minutes form a proportion?
