Quantitative Quiz 10MarkMarch 7, 2025Quantitative Aptitude Welcome to your Quantitative Quiz 10 If a:b = 2:3 and b:c = 4:5, then a:c is: a) 6:15 b) 8:15 c) 12:15 d) 15:8 None What is the duplicate ratio of 3:4? a) 6:8 b) 9:16 c) 12:16 d) 16:9 None What is the sub-duplicate ratio of 16:25? a) 4:5 b) 8:12.5 c) 256:625 d) 32:50 None If x:y = 5:2, then (8x+9y):(8x+2y) is: a) 22:29 b) 29:22 c) 20:11 d) 11:20 None Two numbers are in the ratio 3:5. If 9 is subtracted from each, the new numbers are in the ratio 12:23. The smaller number is: a) 27 b) 33 c) 49 d) 55 None The mean proportional between 16 and 36 is: a) 24 b) 28 c) 32 d) 30 None If a:b = c:d, then which of the following is true? a) ad = bc b) ac = bd c) ab = cd d) a+b = c+d None If 20% of a = b, then a:b is equal to: a) 1:5 b) 5:1 c) 2:5 d) 5:2 None If x:y = 3:4, then 4x+5y:5x-2y is equal to: a) 31:7 b) 7:31 c) 11:9 d) 9:11 None If the ratio of two numbers is 2:3 and their sum is 80, then the numbers are: a) 20, 60 b) 30, 50 c) 32, 48 d) 36, 44 None What is the inverse ratio of 2:3? a) 4:9 b) 3:2 c) 6:4 d) 1:6 None If a:b = 5:7 and b:c = 8:15, then a:b:c is: a) 40:56:105 b) 56:40:105 c) 105:56:40 d) 40:105:56 None If 10% of x = 20% of y, then x:y is equal to: a) 1:2 b) 2:5 c) 2:1 d) 10:1 None The third proportional to 9 and 12 is: a) 16 b) 18 c) 20 d) 24 None If a:b = 2:3, b:c = 4:5, and c:d = 6:7, then a:d is: a) 16:35 b) 35:16 c) 8:15 d) 15:8 None If x:y = 3:2, then (2x+3y):(3x+y) is: a) 12:11 b) 11:12 c) 13:12 d) 12:13 None A sum of money is divided among A, B, and C in the ratio 2:3:5. If C gets Rs. 150 more than A, then B's share is: a) Rs. 150 b) Rs. 200 c) Rs. 250 d) Rs. 300 None If a:b = 3:4 and b:c = 8:9, then a:c is: a) 1:2 b) 2:3 c) 3:2 d) 1:3 None If x:y = 2:1, then (x^2-y^2):(x^2+y^2) is: a) 3:5 b) 5:3 c) 1:3 d) 3:1 None If a:b = 5:3 and b:c = 4:9, then a:b:c is: a) 20:12:27 b) 12:20:27 c) 20:27:12 d) 27:20:12 None If a:b = 7:9 and a-b = -10, then a+b is: a) 80 b) 90 c) 100 d) 110 None What is the compounded ratio of 2:3, 6:11, and 11:2? a) 1:1 b) 2:1 c) 3:1 d) 1:2 None If 40% of A = 60% of B, then A:B is: a) 2:3 b) 3:2 c) 7:8 d) 8:7 None If 2A = 3B = 4C, then A:B:C is: a) 2:3:4 b) 4:3:2 c) 6:4:3 d) 3:4:6 None If the ratio of the areas of two squares is 16:25, then the ratio of their perimeters is: a) 4:5 b) 16:25 c) 2:3 d) 3:2 None If x:y = 2:3 and y:z = 5:7, then x:y:z is: a) 10:15:21 b) 15:10:21 c) 21:10:15 d) 10:21:15 None A mixture contains milk and water in the ratio 5:1. If 5 liters of water are added, the ratio becomes 5:2. The quantity of milk in the mixture is: a) 22.75 liters b) 25 liters c) 32.5 liters d) 16 liters None If a:b = 1:2, b:c = 3:4, and c:d = 5:6, then a:b:c:d is: a) 15:30:40:48 b) 10:20:30:36 c) 5:10:15:20 d) 20:40:60:80 None The numbers 6, 8, and x are in continued proportion. The value of x is: a) 10 b) 10.67 c) 11.33 d) 12 None If the ratio of boys to girls in a class is 7:8, and there are 480 students in total, how many girls are there? a) 210 b) 270 c) 256 d) 224 None 1 out of 6 Time's upTime is Up! Post Views: 99
