Advertisements
Advertisements
Question
If 2a = 3b and 4b = 5c, find: a : c.
Advertisements
Solution
We have,
`2a = 3b => a/b = 3/2`
And `4b = 5c => b/c = 5/4`
Now, `a/b = 3/2 = (3 xx 5)/(2 xx 5) = 15/10`
And `b/c = 5/4 = (5 xx 2)/(4 xx 2) = 10/8`
`=>` a : b : c = 15 : 10 : 8
`=>` a : c = 15 : 8
APPEARS IN
RELATED QUESTIONS
Find the compound ratio of 2 : 3, 9 : 14 and 14 : 27
Find the reciprocal ratio of `x/3 : y/7`
If 15(2x2 – y2) = 7xy, find x : y; if x and y both are positive.
Which of the following numbers are in continued proportion:
15, 45 and 48
Find the sub-duplicate ratio of 9a2 : 49b2
Find the ratio of:
90 cm to 1.05 m
Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of father to the age of son when father was 30 years old.
The ratio of the area of the shaded portion to that of the whole figure is ______.
Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of the father to the age of son, when son was 12 years old.
In the ratio 7 : 11, which term is called the consequent?
