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Green paint is made by mixing blue, yellow and white paints in the ratio 2: 7: 1. How much blue paint is needed to make 64 litres of green paint?
Give two equivalent ratios of 3: 5.
Find the ratio of 75 cm to 1.5 m.
If 2A = 3B = 4C, find A: B: C
Check whether the given ratios are equivalent or not. 2/7, 6/21
There are 180 students in a class. Number of girls are 75. Find the ratio of the girls to the number of boys.
The weight of 25 copies is 5 kg. Find the weight of 30 such copies?
Write True or False against the following statement: 8: 9:: 24: 27.