Advertisements
Advertisements
Question
Find the compound ratio of `sqrt(2) : 1, 3: sqrt(5)` and `sqrt(20) : 9`
Solution
Required compound ratio = `sqrt(2) xx 3 xx sqrt(20) : 1 xx sqrt(5) xx 9`
= `(sqrt(2) xx 3 xx sqrt(20))/(1 xx sqrt(5) xx 9)`
= `(sqrt(2) xx sqrt(4))/3`
= `(2sqrt(2))/3`
= `2sqrt(2) : 3`
APPEARS IN
RELATED QUESTIONS
Find the reciprocal ratio of e following :
`1/45 : 1/54`
A bag contains ₹ 1,600 in the form of ₹10 and ₹20 notes. If the ratio between the numbers of ₹10 and ₹20 notes is 2 : 3; find the total number of notes in all.
Divide 81 into three parts in the ratio 2 : 3 : 4.
Which ratio is greater:
`8/15` or `5/9`
Express the following ratio in the simplest form:
186 : 403
If `x/a = y/b = z/c`, prove that `(3x^3 - 5y^3 + 4c^3)/(3a^3 - 5b^3 + 4c^3) = ((3x - 5y + 4c)/(3a - 5b + ac))^3`
|
Distance from Mary’s home to school (in km.)
|
10 | 4 | |||
|
Distance from John’s home to school (in km.)
|
5 | 4 | 3 | 1 |
If the ratio of Green, Yellow and Black balls in a bag is 4 : 3 : 5, then
(a) Which is the most likely ball that you can choose from the bag?
(b) How many balls in total are there in the bag if you have 40 black balls in it?
(c) Find the number of green and yellow balls in the bag.
The ratio of 150 cm to 1metre is 1:1.5.
Ramesh earns Rs. 28000 per month. His wife Rama earns Rs. 36000 per month. Find the ratio of rama’s earnings to their total earnings.
