Advertisements
Advertisements
प्रश्न
Are the following statements true?
45 km : 60 km = 12 hours : 15 hours
विकल्प
True
False
उत्तर
This statement is False.
Explanation:
45 km : 60 km = 12 hours : 15 hours
`45/60 = 3/4, 12/15 = 4/5`
APPEARS IN
संबंधित प्रश्न
If a/b = c/d prove that each of the given ratio is equal to `(13a - 8c)/(13b - 8d)`
Find the mean proportional between :
17.5 and 0.007
Find the mean proportion of the following :
24 and 6
Using the properties of proportion, solve for x, given.
`(x^4 + 1)/(2x^2) = (17)/(8)`.
If a, 12, 16 and b are in continued proportion find a and b.
Determine if the following numbers are in proportion:
4, 6, 8, 12
Verify the following:
108 : 72 : : 129 : 86
If `a/c = c/d = c/f` prove that : `bd f[(a + b)/b + (c + d)/d + (c + f)/f]^3` = 27(a + b)(c + d)(e + f)
If a, b, c are in continued proportion, prove that: `(pa^2+ qab+ rb^2)/(pb^2+qbc+rc^2) = a/c`
Are the following statements true?
7.5 litres : 15 litres = 5 kg : 10 kg