Ratio – Aptitude MCQ Questions – 07 Posted on July 9, 2020July 9, 2020 by admin Question 1Harsha 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 2How 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 3The 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 4Which 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 Question 5Which of the following is the lowest ratio ? A. 7 : 15 B. 15 : 23 C. 17 : 25 D. 21 : 39 Question 6Three 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 7In 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 8The 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 9If 60% A = 3/4 of B, then A : B is A. 4 : 5 B. 5 : 4 C. 9 : 20 D. 20 : 9 Question 10If m : n = 3 : 2, then (4m + 5n) : (4m - 5n) is equal to = ? A. 4 : 9 B. 9 : 4 C. 11 : 1 D. 9 : 1