Advertisements
Advertisements
Question
Find the value of x, if: (3x – 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27.
Solution
(3x – 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27
Sub-triplicate ratio of 8 : 27 = 2 : 3
`(3x - 7)/(4x + 3) = 2/3`
9x – 21 = 8x + 6
9x – 8x = 6 + 21
x = 27
APPEARS IN
RELATED QUESTIONS
Convert the following ratio to a percentage.
2 : 3
Find the value of x, if: (2x + 3) : (5x – 38) is the duplicate ratio of `sqrt(5) : sqrt(6)`.
Divide Rs 1,290 into A,B and C such that A is `2/5` of B and B : C = 4 : 3.
Divide 81 into three parts in the ratio 2 : 3 : 4.
Find the duplicate ratio of 2 : 3
Choose the correct answer from the given options :
When the number 210 is increased in the ratio 5 : 7, the new number is
The ratio of 150 cm to 1metre is 1:1.5.
Ratio of 5 paise to 25 paise is the same as the ratio of 20 paise to ______.
The students of a school belong to different religious backgrounds. The number of Hindu students is 288, the number of Muslim students is 252, the number of Sikh students is 144 and the number of Christian students is 72. Find the ratio of the number of Hindu students to the number of Christian students.
In the following figure, division represents 1 cm:
Express numerically the ratios of the following distances:
BF : AI
