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
RELATED QUESTIONS
Convert the following ratio to a percentage.
2 : 3
The ratio between the number of boys and the number of girls in a class is 4:3 . If there were 20 more boys and 12 less girls, the ratio would have been 2:1. Find the total number of students in
the class.
A man's monthly inoome is Rs 5,000. He saves every month a minimum of R~ 800. Find the ratio of his:
monthly savings to monthly expenses.
Find the compounded ratio of: 2 : 3 and 4 : 9
Express the following ratio in the simplest form:
480 : 384
10 boys can dig a pitch in 12 hours. How long will 8 boys take to do it?
Find the ratio of:
150 mL to 2 L
Find the simplified form of the following ratio.
7 : 15
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, division represents 1 cm:
Express numerically the ratios of the following distances:
AG : AD
