CUET Preparation Today
CUET
General Test
Numerical Ability
Ratios
If (2a – 3b) : (3a – 4b) = 4 : 3 , then a : b is equal to
2 : 1
4 : 3
7 : 6
6 : 5
⇒ \(\frac{2a - 3b}{3a - 4b}\) = \(\frac{4}{3}\)
⇒ 6a - 9b = 12a - 16b
⇒ 6a = 7b
⇒ \(\frac{a}{b}\) = \(\frac{7}{6}\) or a : b = 7 : 6
