0% 0 Get ready, set, go Time ended Mathematics Quiz on Ratio Proportion and Unitary Method (Classes 6 and 7) This is a comprehensive MCQ quiz on Ratio Proportion and Unitary Method 1 / 20 1. A motorcycle goes 120 km in 3L of petrol. How much petrol will be required to go 600km? A) 10 B) 15 C) 22 D) 18 2 / 20 2. The first, second and fourth terms of a proportion are 16, 24 and 54 respectively. Then the third term is: A) 36 B) 28 C) 48 D) 32 3 / 20 3. The ratio of zinc and copper in an alloy is 7: 9. It the weight of the copper in the alloy is 11.7 kg, find the weight of the zinc in the alloy. A) 8.10 kg B) 9.10 kg C) 5.60 kg D) 6.00 kg 4 / 20 4. On a shelf, books with green cover and that with brown cover are in the ratio 2:3. If there are 18 books with green cover, then the number of books with brown cover is : A) 12 B) 24 C) 27 D) 36 5 / 20 5. The ratio of number of girls to the number of boys in a class is 6 : 7. If there are 21 boys in the class, then the number of girls in the class is : A) 39 B) 24 C) 18 D) 13 6 / 20 6. In a class, one out of every six students fails. If there are 42 students in the class, how many pass? A) 14 students B) 25 students C) 35 students D) 40 students 7 / 20 7. The shadow of a 3m long stick is 4m long. At the same time of the day, if the shadow of a flagstaff is 24m long, how tall is the flagstaff? A) 18 B) 15 C) 20 D) 25 8 / 20 8. Neelam’s annual income is Rs. 288000. Her annual savings amount to Rs. 36000. The ratio of her savings to her expenditure is : A) 1 : 8 B) 1 : 7 C) 1 : 6 D) 1 : 5 9 / 20 9. The ratio 66:18 in simplest form is : A) 11 : 3 B) 3 : 11 C) 22 : 18 D) 11 : 18 10 / 20 10. Find the ratio of the price of pencil to that of ball pen, if pencil cost Rs.16 per score and ball pen cost Rs.8.40 per dozen. A) 8 : 7 B) 7 : 8 C) 5 : 6 D) 6 : 8 11 / 20 11. 20 chocolates cost Rs 320. Find the cost of 35 such chocolates. A) Rs. 460 B) Rs. 500 C) Rs. 560 D) Rs. 600 12 / 20 12. If Rs. 782 be divided into three parts, proportional to 1/2 : 2/3 : 3/4, then the first part is : A) Rs. 182 B) Rs. 190 C) Rs. 196 D) Rs. 204 13 / 20 13. A metal pipe 3 metre long was found to weigh 7.6kg. What would be the weight of the same kind of 7.8m long pipe? A) 14.76 B) 18.76 C) 19.76 D) 48.76 14 / 20 14. If 16, 8, x are in continued proportion, then the value of x is : A) 1 B) 2 C) 3 D) 4 15 / 20 15. A car travels 228 km in 3 hours. (i) How long will it take to travel 912 km? (ii) How far will it travel in 7 hours? A) (i) 15 hours (ii) 530 km B) (i) 15 hours (ii) 532 km C) (i) 12 hours (ii) 532 km D) (i) 12 hours (ii) 530 km 16 / 20 16. If x, 12, 8 and 32 are in proportion, then x is : A) 6 B) 4 C) 3 D) 2 17 / 20 17. If 3, 12 and x are in continued proportion, then x is : A) 4 B) 6 C) 16 D) 48 18 / 20 18. John types 450 words in half an hour. How words would he type in 7 minutes? A) 105 B) 115 C) 125 D) 135 19 / 20 19. If a bus travels 160 km in 4 hours and a train travels 320 km in 5 hours at uniform speeds, then the ratio of the distances travelled by them in one hour is : A) 1 : 2 B) 4 : 5 C) 5 : 8 D) 8 : 5 20 / 20 20. The ratio of 1 hour to 300 seconds is : A) 1 : 12 B) 12 : 1 C) 1 : 5 D) 5 : 1 Your score is The average score is 0%Share this quiz with your friends, LinkedIn Facebook Twitter 0% Restart quiz Rate the quiz Send feedback Post navigation Mathematics Quiz on Rational Numbers (Classes 7 and 8) Mathematics Quiz on Lines and Angles (Class 7 and 8)