1) The ratio of boys to girls is 2 : 3. If there are 10 children altogether, how many girls are there? a) 2 b) 4 c) 6 d) 8 e) 10 2) The ratio of boys to girls is 2 : 3. If there are 10 children altogether, how many boys are there? a) 2 b) 4 c) 6 d) 8 e) 10 3) In a class, 3 of every 5 pupils wear glasses. If 3 pupils wear glasses, how many pupils do not wear glasses? a) 2 b) 3 c) 4 d) 5 4) In a class, 3 of every 5 pupils wear glasses. What is the ratio of pupils who wear glasses to the pupils who do not wear glasses? a) 3 : 5 b) 3 : 2 c) 3 : 8 d) 5 : 3 e) 2 : 3 5) A string is cut in the ratio 2 : 5. If the length of the string is 70cm, what is the length of the shorter string? a) 10cm b) 20cm c) 30cm d) 50cm 6) A string is cut in the ratio 2 : 5. If the length of the string is 70cm, what is the length of the longer string? a) 10cm b) 20cm c) 30cm d) 50cm 7) A bottle of juice is poured into 2 cups in the ratio 1 : 4. If the cup with lesser juice has 50mL, what is the volume of juice in the cup with more juice? a) 50 b) 100 c) 200 d) 500 8) In a stadium, 2 out of every 7 people wear watches. What is the ratio of people who wear watches to the people who do not wear watches? a) 2 : 5 b) 2 : 7 c) 5 : 2 d) 7 : 2 9) In a class the ratio of the number of boys to girls is 3 : 1. If there are 18 boys, how many girls are there? a) 6 b) 18 c) 9 10) In a class the ratio of the number of boys to girls is 3 : 1. If there are 18 girls, how many boys are there? a) 6 b) 18 c) 9 d) 54 11) In a class the ratio of the number of boys to girls is 3 : 1. If there are 18 girls, how many boys are there? a) 6 b) 18 c) 9 d) 54 12) The ratio of the number of cars to buses on the road is 4 : 3. If there are 6 buses on the road, how many cars are there? a) 2 b) 8 c) 9 d) 14 e) 18 13) The ratio of the number of cars to buses on the road is 4 : 3. If there are 6 buses on the road, how many vehicles are there? a) 2 b) 8 c) 9 d) 14 e) 18 14) A travel pack has 3 tubes of toothpastes and 5 toothbrushes. Jane buys 5 packs. How many toothbrushes does she have? a) 5 b) 15 c) 25 d) 40 15) A travel pack has 3 tubes of toothpastes and 5 toothbrushes. A family needs 10 toothbrushes. How many pack(s) must they buy? a) 1 b) 2 c) 3 d) 4 e) 5

Ratio (Simple Problem Sums)

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