Advertisements
Advertisements
Question
Find the sub-triplicate ratio of the following :
`(64 "m"^3)/(729 "n"^3) : (216 "m"^3)/(27"n"^3)`
Advertisements
Solution
`(64 "m"^3)/(729 "n"^3) : (216 "m"^3)/(27"n"^3)`
`= ((64 "m"^3)/(729 "n"^3))^(1/3) : ((216 "m"^3)/(27"n"^3))^(1/3)`
`= (4"m")/(9"n") : (6"m")/(3"n")`
`= (4"m")/(9"n") xx (6"m")/(3"n")`
`= 2/9`
Sub-triplicate raoo = 2 : 9
APPEARS IN
RELATED QUESTIONS
If a : b = 3 : 8, find the value of `(4a + 3b)/(6a - b)`.
Find the sub-duplicate ratio of the following :
`(9"a"^2)/5 : (25"a"^2)/3`
In an examination the ratio of the number of suo:essful candidates to unsuccessful candidates is 7:5. Had 30 more appeared and 10 more passed, the ratio of successful candidates to unsuccessful candidates would have been 4:3. Find the number of candidates who appeared in the examination originally.
If 3x – 2y – 7z = 0 and 2x + 3y – 5z = 0 find x : y : z.
Reduce the following ratio to their lowest term:
2 m 40 cm : 1 m 44 cm
In the example below, find the ratio of the first number to the second.
35, 65
Find the reciprocal ratio of 32 : 42
Find the ratio of:
90 cm to 1.05 m
12 hours : 30 hours = 8 km : 20 km
Which pair of ratios are equal? And why?
`4/5, 12/50`
