Advertisements
Advertisements
प्रश्न
What quantity must be added to each term of the ratio x : y so that it may become equal to c : d?
उत्तर
Let the required quantity which is to be added be p.
Then, we have:
`(x + p)/(y + p) = c/d`
dx + pd = cy + cp
pd – cp = cy – dx
p(d – c) = cy – dx
`p = (cy - dx)/(d - c)`
APPEARS IN
संबंधित प्रश्न
Which of the following ratio is greater ?
`5/2 : 15/4` and `5/3 : 11/6`
Express the following ratios in its simplest form :
x2 : 4x
Find the ratio between 3.5 m, 475 cm and 2.8 m
Find: The reciprocal ratio of 8: 15.
Express the given ratio in its simplest form: 40 kg : 1 quintal
Which ratio is smaller:
`7/15` or `15/32`
Rohit earns Rs 15300 and saves Rs 1224 per month. Find the ratio of
(i) his income and savings:
(ii) his income and expenditure;
(iii) his expenditure and savings.
The ratio of zinc and copper in an alloy is 7 : 9. If the weight of copper in the alloy is 11.7 kg find the weight of zinc in it.
Ratio of 3 m to 200 cm = _____________
In a college, out of 4320 students, 2300 are girls. Find the ratio of number of boys to the number of girls.
