If p : q is 4 : 3 and q : r is 5 : 2. Find p : q : r.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 20 : 15 : 6.
p : q = (4 : 3) × 5 = 20 : 15
q : r = (5 : 2) × 3 = 15 : 6
So, the ratio of p : q : r = 20 : 15 : 6