a : b = 4 : 7  এবং b : c = 5 : 6 হলে,  a : b : c = কত?

A    4:7:6

B    20:35:24

C    20:35:42

D    24:35:30

Solution

Correct Answer: Option C

a:b=4:7=(4x5):(7×5)=20:35

b:c=5:6=(5×7):(6x7)=35:42

a:b:C=20:35:42

 

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions