Advertisements
Advertisements
Question
Find the compound ratio of 2 : 3, 9 : 14 and 14 : 27
Solution
Required compound ration = 2 × 9 × 14 : 3 × 14 × 27
= `(2 xx 9 xx 14)/(3 xx 14 xx 27)`
= `2/9`
= 2 : 9
APPEARS IN
RELATED QUESTIONS
72% of 25 students are interested in mathematics. How many are not interested in mathematics?
If (3a + 2b) : (5a + 3b) = 18 : 29. Find a : b
If r2 = pq, show that p : q is the duplicate ratio of (p + r) : (q + r).
If the ratio between 8 and 11 is the same as the ratio of 2x - y to x + 2y, find the value of `(7"x")/(9"y")`
Express the following ratios in its simplest form :
`1 1/2:2 1/2`
The weekly expenses of a boy have increased from ₹ 1,500 to ₹ 2,250. Find the ratio of:
(i) increase in expenses to original expenses.
(ii) original expenses to increased expenses.
(iii) increased expenses to increase in expenses.
The ratio of the length and the width of a school ground is 5 : 2. Find the length, if the width is 40 metres.
If `(2"y"+5"x")/(3"y"-5"x")=2 1/2`, find y, if x = 33
Find the value of x of the following such that the given numbers are in proportion.
14, 42, x and 75
Divide 20 pens between Sheela and Sangeeta in the ratio of 3 : 2.
