Q172
ArithmeticRatio, Proportion & Mixtures
A box contains one red ball, one blue ball and one green ball. The ratio of the weight of the red and blue ball is 5:6 and that of blue and green ball is 5:4. If the blue ball weighs 60 g, the weight of the green ball is
- a.48 g
- b.50 g
- c.40 g
- d.55 g
Answer: (A) 48 g
Since blue:green $=5:4$ and blue weighs 60 g, green $=60\times\dfrac{4}{5}=48$ g.