1. Find the compound ratio of 2:3, 4:5, 5:4-
Ans. 2:3
2. If A: (B + C) = 3:13 and A/B = 2/3 then A:B:C = ?
Ans. 6:9:17
3. If A:B = 3:2, C:D = 2:1 and A+B = C+D then A:B:C:D = ?
Ans. 9:6:10:5
4. If A:B = 2:3, B:C = 2:1 and C:D = 3:2 then A:B:C:D = ?
Ans. 4:6:3:2
5. If A is 3/8 less than A + B, then A : B = ?
Ans. 5:3
6. If A is 20% of C and B is 30% more than C, then find A : B.
Ans. 2:13
7. If B is 20% more than A, C is 10% less than B, and D is 30% more than A, then find the ratio between A, B, C, and D.
Ans. 50:60:54:65
8. If C is 1.5 times of D, B is 4 times of C, and A+B is 4 times of C+D, then find the ratio between A, B, C, and D.
Ans. 8:12:3:2
9. A man mixes 5 liters of water with 15 liters of milk, and in another mixture, he mixes 6 liters of water with 12 liters of milk. Find the ratio of the milk concentration (strength) in both mixtures.
Ans. 9:8
10. If (a + b) / (a - b) = 5 : 3, then what is the value of (a² + b²) : (a² - b²)?
Ans. 17:15
