If a : b = 3 : 4 and b : c = 5 : 6, then a : c equals:
2025
If a : b = 3 : 4 and b : c = 5 : 6, then a : c equals:
- A.
5 : 8
- B.
3 : 6
- C.
15 : 18
- D.
9 : 16
Attempted by 121 students.
Show answer & explanation
Correct answer: A
Make b common: a:b = 3:4 = 15:20 and b:c = 5:6 = 20:24. Thus a:c = 15:24 = 5:8.