Advertisements
Advertisements
Question
If (x + 3) : (4x + 1) is the duplicate ratio of 3 : 5, find the value of x.
Advertisements
Solution
If (x + 3) : (4x + 1) is the duplicate ratio of 3 : 5
Find the value of x.
We have,
`(x + 3)/(4x + 1) = 3^2/5^2`
`\implies (x + 3)/(4x + 1) = 9/25`
`\implies` 25x + 75 = 36x + 9
`\implies` 11x = 66
`\implies` x = 6
APPEARS IN
RELATED QUESTIONS
Which is greater 4: 5 or 19: 25.
Find the fourth proportional of 2.1, 1.5 and 8.4.
In a class, one out of every 5 students pass. If there are 225 students in all the sections of a class, find how many pass?
If (x – 9) : (3x + 6) is the duplicate ratio of 4 : 9, find the value of x.
A ratio will always be more than 1.
The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is ______.

In an election, the votes cast for two of the candidates were in the ratio 5 : 7. If the successful candidate received 20734 votes, how many votes did his opponent receive?
Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of number of students who opted cricket to the number of students opting basketball.
Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of number of students who opted basketball to the total number of students.
If A : B = 7 : 5 and B : C = 7 : 5, then A : C is ______.
