Advertisements
Advertisements
Question
If a : b = 3 : 5, find: (10a + 3b) : (5a + 2b)
Solution
Given, `a/b = 3/5`
`(10a + 3b)/(5a + 2b)`
= `(10(a/b) + 3)/(5(a/b) + 2)`
= `(10(3/5) + 3)/(5(3/5) + 2)`
= `(6 + 3)/(3 + 2)`
= `9/5`
APPEARS IN
RELATED QUESTIONS
Find the ratio of 5 m to 10 km.
If (p - x) : (q - x) be the duplicate ratio of p : q then show that: `1/"p" + 1/"q" = 1/"x"`
Arrange 5: 6, 8: 9, 13: 18 and 7: 12 in ascending order of magnitude.
The ratio between 7 and 5 is same as the ratio between ₹ x and ₹ 20.50; find the value of x.
If (4x + 3y) : (3x + 5y) = 6 : 7, find x : y
10 kg of sugar cost ₹ 350. If x kg sugar of the same kind costs ₹ 175, find the value of x
If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, find A : D
Express the following ratio in the simplest form:
85 : 561
Find the ratio of the price of a pencil to that of a ball pen if pencils cost Rs 96 per score and ball pens cost Rs 50.40 per dozen.
A line segment 56 cm long is to be divided into two parts in the ratio of 2:5. Find the length of each part.
