Ratio – Aptitude MCQ Questions – 12 Posted on July 9, 2020July 9, 2020 by admin Question 1Income of A and B are in the ratio 4 : 3 and their annual expenses are in the ratio 3 : 2. If each save Rs. 60000 at the end of the year, the annual income of A is = ? A. Rs. 120000 B. Rs. 150000 C. Rs. 240000 D. Rs. 360000 Question 2If a : b = b : c, then a4 : b4 would be equal to A. ac : b2 B. a2 : c2 C. c2 : a2 D. b2 : ac Question 3When a particular number is subtracted from each of 7, 9, 11 and 15, the resulting numbers are in proportion. The number to be subtracted is - A. 1 B. 2 C. 3 D. 5 Question 4If x : y = 3 : 1, then x3 - y3 : x3 + y3 = ? A. 10 : 11 B. 11 : 10 C. 13 : 14 D. 14 : 13 Question 5The weight of Mr. Gupta and Mrs. Gupta are in the ratio 7 : 8 and their total weight is 120 kg. After taking a dieting course Mr. Gupta reduces by 6 kg and the ratio between their weights change to 5 : 6, so Mrs. Gupta has reduced by = ? A. 2 kg B. 4 kg C. 3 kg D. 5 kg Question 6In a library the ratio of story books and other books is 7 : 2 and there are 1512 story books. Due to collection of some more story books the ratio becomes 15 : 4. The number of story books collected is = ? A. 108 B. 205 C. 100 D. 97 Question 7There are three numbers A, B, C such that twice A is equal to thrice B and four times B is equal to five times C. Then the ratio between A and C is = ? A. 3 : 4 B. 8 : 15 C. 15 : 8 D. 4 : 3 Question 8The salaries of A, B and C are in the ratio 1 : 3 : 4. If the salaries are increased 5%, 10% and 15% respectively. Then the increased salaries will be in the ratio = ? A. 20 : 66 : 95 B. 21 : 66 : 95 C. 21 : 66 : 92 D. 19 : 66 : 92 Question 9If 5a + 3b : 2a - 3b = 23 : 5, then the value of a : b is A. 1 : 2 B. 1 : 4 C. 2 : 1 D. 4 : 1 Question 10If (4x2 - 3y2) : (2x2 + 5y2) = 12 : 19, then x : y is A. 2 : 3 B. 1 : 2 C. 3 : 2 D. 2 : 1