Scholarship Exam Preparation App
Class 6 - (Math )
Operations on Numbers - Ratio and Proportion and Equivalent Unit Method
If A : B = 3 : 5 and B : C = 4 : 7, then what is A : B : C?
a :
12:20:35
b :
3:5:7
c :
12:5:28
d :
6:10:14
Explanation :
Make B equal ⇒ 3:5 ×4 =12:20 and 4:7 ×5 =20:35 ⇒ 12:20:35