Advertisements
Advertisements
Question
Find the sub-triplicate ratio of 27a3 : 64b3
Advertisements
Solution
sub-triplicate ratio of 27a3 : 64b3
= `[(3a)^3]^(1/3) : [(4b)^3]^(1/3)`
= 3a : 4b.
APPEARS IN
RELATED QUESTIONS
By increasing the cost of entry ticket to a fair in the ratio 10 : 13, the number of visitors to the fair has decreased in the ratio 6 : 5. In what ratio has the total collection increased or decreased?
If 3x + 4 : x + 5 is the duplicate ratio of 8 : 15, find x.
What quantity must be added to each term of the ratio (p + q) : (p - q) to make it equal to (p + q)2 : (p - q)2 ?
If `(by + cz )/(b^2 + c^2) = (cz + ax)/(c^2 + a^2) = (ax + by)/(a^2 + b^2)` then show that each ratio is equal to `x/a = y/b = z/c`.
Find: The sub-triplicate ratio of 216: 343
Check whether the following quantities form a proportion or not?
0.8, 3, 2.4 and 9
In class X of a school, the ratio of the number of boys to that of the girls is 4 : 3. If there were 20 more boys and 12 less girls, then the ratio would have been 2 : 1, How many students were there in the class?
Divide Rs 1400 among A. B and C in the ratio 2 : 3 : 5.
An office opens at 9 a.m. and closes at 5.30 p.m. with a lunch break of 30 minutes. What is the ratio of lunch break to the total period in the office?
In the following figure, what is the ratio of the areas of
- shaded portion I to shaded portion II?

- shaded portion II to shaded portion III?
- shaded portions I and II taken together and shaded portion III?
