Aptitude - Percentages Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Percentages. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Answer : D
Explanation
60% of 264 = 60⁄100 x 264 = 158.4 50% of 234 = 50⁄100 x 234 = 117 70% of 164 = 70⁄100 x 164 = 114.8 20% of 1500 = 20⁄100 x 1500 = 300 15% of 1056 = 15⁄100 x 1056 = 158.4
Q 2 - If Rs. 2800 is 2⁄7 percent of the value of a car, the worth of car in Rs. is ?
Answer : D
Explanation
Let z be the worth of car.
Then, 2⁄7 of p = 2800
p = (2800x100x7⁄2) = Rs. 980000
Q 3 - Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 85 of B. Fin the ratio of A:B.
Answer : A
Explanation
5⁄100A + 4⁄100B = 2⁄3 (6⁄100A + 8⁄100B) 1⁄20A + 1⁄25B = 1⁄25A + 4⁄75B A⁄B = 4⁄3
Q 4 - If A = p% of q and B = q% of p, then which of the following is true?
Answer : D
Explanation
p% of q = (p⁄100 x q) = (q⁄100 x p) = q% of p → A = B
Q 5 - In an examination, there are 3 papers and a candidate has to get 35% of the total to pass. In one paper, he gets 62 out of 150 and in the second 35 out of 150. How much must he get, out of 180 in the third paper to just qualify for a pass?
Answer : B
Explanation
Let z be the marks required. → 62 + 35 + x = 35% of 480 Therefore, z = 71
Q 6 - A student has to secure minimum 35% marks to pass in an examination. If he gets 200 marks and fails by 10 marks, then the maximum marks are
Answer : C
Explanation
Let the maximum marks be x. According to the question, 35% of x = 200 + 10 Or, x = 600
Q 7 - The income of broker remains unchanged though the rate of commission is increased from 5% to 6% .the percentage of slump in business is
Answer : B
Explanation
Let the business value changes from x to y Then, 5% of x=6% of y or 5/100*x=6/100 y Or y = 5/6x Change in business = x-5/6x=1/6x Percentage slum in business=1/6 x * 1/x*100=100/6 %
Q 8 - The price of rice is increased by 10 %.If the expenditure is not allowed to increase , the ratio between the reduction in consumption and the original consumption is
Answer : D
Explanation
Reduction in consumption = 10/110*100=100/11% (reduction in consumption)/(original consumption) = 100/11*1/100=1/11=1:11
Answer : B
Explanation
x% of x = x/100 * x = 10% of y = y/10 => y = (x2/100) * 10 = x2/10
Q 10 - 72% of the students of a certain class took Biology and 44% took Mathematics. If each student took at least one subject from Biology or Mathematics and 40 took both, then the total number of students in the class is
Answer : C
Explanation
Let the number of students in the class be 100. ∴ Number of students in Biology = 72 and number of students in Maths = 44. ∴ Number of students opting for both the subjects = 72 + 44 � 100 = 16 When 16 students opt for both the subjects, total number of students = 100 ∴ When 40 students took both the subjects, total number of students = (100/16)*40 = 250
