Question : If $p: q$ is $4: 3$ and $q: r$ is $5 : 2$. Find $p: q: r$.
Option 1: 20 : 15 : 6
Option 2: 10 : 4 : 7
Option 3: 15 : 6 : 20
Option 4: 7 : 4 : 10
Answer (1)
17th Jan, 2024
Correct Answer: 20 : 15 : 6
Solution :
Given: $p: q$ is $4: 3$ and $q: r$ is $5 : 2$
$p:q=4:3=(4×5):(3×5)=20:15$
$q:r=5:2=(5×3):(2×3)=15:6$
So, $p:q:r=20:15:6$
Hence, the correct answer is 20 : 15 : 6.
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