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

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

A 20:35:42

B 24:30:35

C 35:30:24

D 42:35:20

Solution

Correct Answer: Option B

A:B=4:5=(4x6):(5x6)=24:30

B:C=6:7=(6x5):(7x5)=30:35

A:B:C= 24:30:35