Ratio – Aptitude MCQ Questions – 07 Posted on July 9, 2020July 9, 2020 by admin Question 1How many sides does a regular polygon have whose interior and exterior angle are in the ratio 2 : 1 ? A. 3 B. 5 C. 6 D. 12 Question 2The sum of two numbers is 40 and their difference is 4. The ratio of the numbers is = ? A. 21 : 19 B. 22 : 9 C. 11 : 9 D. 11 : 18 Question 3Three 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 mixture 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 Question 4Harsha is 40 years old and Ritu is 60 years old. How many years ago was the ratio of their ages is 3 : 5 ? A. 10 years B. 20 years C. 37 years D. 5 years Question 5Which of the following is the lowest ratio ? A. 7 : 15 B. 15 : 23 C. 17 : 25 D. 21 : 39 Question 6The ratio of boys and girls in a club is 3 : 2. Which of the following could be the actual number of members ? A. 16 B. 18 C. 24 D. 25 Question 7If m : n = 3 : 2, then (4m + 5n) : (4m - 5n) is equal to = ? A. 4 : 9 B. 9 : 4 C. 11 : 1 D. 9 : 1 Question 8In a college union, there are 48 students. The ratio of the number of boys to the number of girls is 5 : 3. The number of girls to be added in the union, so that the number of boys to girls in 6 : 5 is = ? A. 6 B. 7 C. 12 D. 17 Question 9If 60% A = 3/4 of B, then A : B is A. 4 : 5 B. 5 : 4 C. 9 : 20 D. 20 : 9 Question 10Which of the following represents ab = 64? A. 8 : a = 8 : b B. a : 16 = 6 : 4 C. a : 8 = b : 8 D. 32 : a = b : 2