Ratio & Proportion

Ratio & Proportion Worksheet-4

1. What least number must be subtracted from each of the numbers 14, 17, 34 and 42 so that the remainders may be proportional?

(a) 0                    (b) 1                    (c) 2                    (d) 7

2. In a mixture of 60 litres, the ratio of milk and water is 2 : 1. If this ratio is to be 1: 2, then the quantity of water to be further added is:

(a) 20 litres       (b) 30 litres       (c) 40 litres       (d) 60 litres

Ratio & Proportion Worksheet-5

1. 15 litres of mixture contains 20% alcohol and the rest water. If 3 litres of water be mixed with it, the percentage of alcohol in the new mixture would be:

(a) 15%               (b)           (c) 17%               (d)

2. 20 litres of a mixture contains milk and water in the ratio 5 : 3. If 4 liters of this mixture be replaced by 4 litres of milk, the ratio of milk to water in the new mixture would be:

(a) 2 : 1               (b) 7 : 3              (c) 8 : 3              (d) 4 : 3

Ratio & Proportion Worksheet-6

1. Three containers have their volumes in the ratio 3:4:5. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio of (4: 1), (3 : 1) and (5 : 2) respectively. The contents of all these three containers are poured into a fourth container. The ratio of milk and water in the fourth container is:

(a) 4 :  1              (b) 151 : 48        (c) 157 : 53        (d) 5 : 2