Advertisements
Advertisements
Question
Find the sub-triplicate ratio of the following :
125a3 : 343b6
Advertisements
Solution
125a3 : 343b6
`= (125 "a"^3)^(1/3) : (343 "b"^6)^(1/3)`
= 5a : 7b2
Sub-triplicate ratio = 5a : 7b2
APPEARS IN
RELATED QUESTIONS
if `x/a = y/b = z/c` prove that `(ax - by)/((a + b)(x - y)) + (by - cz)/((b + c)(y - z)) + (cz - az)/((c + a)(z - x)) = 3`
Two numbers are in the ratio 5:7. If 3 is subtracted from each of them, the ratio between them becomes 2:3. Find the numbers.
In a mixture of 126 kg of milk and water, milk and water are in ratio 5 : 2. How much water must be added to the mixture to make this ratio 3 : 2?
Express the following ratios in its simplest form :
2.5 : 1.5
The monthly salary of a person is Rs. 12,000 and his monthly expenditure is Rs 8,500. Find the ratio of his:
(i) salary to expenditure
(ii) expenditure to savings
(ii) savings to salary
Find the fourth proportional of `1/3, 2/5` and 8.4.
The ratio of the length and the width of a school ground is 5 : 2. Find the length, if the width is 40 metres.
Find the ratio of the first quantity to the second.
750 grams, `1/2` kg
Find the sub-duplicate ratio of `(1)/(4) : (1)/(9)`
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.
