If P :Q =3:2 , P : R= 2: 7 , then what is the value of Q : R?
If P :Q =3:2 , P : R= 2: 7 , then what is the value of Q : R? Correct Answer 4 : 21
Q : P = 2 : 3 = 2×2:3×2 = 4 : 6 P : R = 2 : 7 = 2×3:3×3 = 6 : 21 ∴ Q : P : R = 4 : 6 : 21 So, Q : R = 4 : 21
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Feb 20, 2025