Ratio – Aptitude MCQ Questions – 05 Posted on July 9, 2020July 9, 2020 by admin Question 1The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio? A. 8 : 9 B. 17 : 18 C. 21 : 22 D. Cannot be determined Question 2If 0.75 : x :: 5 : 8, then x is equal to: A. 1.12 B. 1.2 C. 1.25 D. 1.30 Question 3A and B together have Rs. 1210. If 4/15 of A's amount is equal to 2/5 of B's amount, how much amount does B have? A. Rs. 460 B. Rs. 484 C. Rs. 550 D. Rs. 664 Question 4In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be further added is: A. 20 litres B. 30 litres C. 40 litres D. 60 litres Question 5Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary? A. Rs. 17,000 B. Rs. 20,000 C. Rs. 25,500 D. Rs. 38,000 Question 6Number of students in institutes A and B were in the ratio of 7 : 15 respectively in 2012. In 2013, the number of students in institute A increased by 25% and number of students in institutes B increased by 26%, then what was the respective ratio between number of students in institutes A and B? A. 25 : 56 B. 24 : 55 C. 24 : 53 D. 25 : 53 E. 25 : 54 Question 7The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is: A. 20 B. 30 C. 48 D. 58 Question 8A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share? A. Rs. 500 B. Rs. 1500 C. Rs. 2000 D. None of these Question 9Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats? A. 2 : 3 : 4 B. 6 : 7 : 8 C. 6 : 8 : 9 D. None of these Question 10Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is: A. 2 : 5 B. 3 : 5 C. 4 : 5 D. 6 : 7