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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 : A
Explanation
(0.01⁄0.1 x 100 )% = (1 x 10)% = 10%
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 - Three candidates contested and election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?
Answer : B
Explanation
Total votes polled: 1136 + 7636 + 11628 = 20400 Therefore, percentage = (11628⁄20400 x 100)% = 57%
Q 4 - Rahul gave 40% of the amount he had to Pankaj. Pankaj in turn gave one-fourth of what he received from Rahul to Sanyam. After paying Rs. 200 to the taxi driver out of the amount he got from Pankaj, Sanyam now has Rs. 600 left with him. How much amount did Rahul have?
Answer : B
Explanation
Let p be the amount with Rahul. ↠ amount received by Sanyam = 1⁄4 of 40% of Rs. p = 10% of Rs. p. Therefore, 10% of p = 600 + 200 → p = 8000 i.e. Amount with Rahul
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's salary is 50% more than that of B. How much percent is B's salary less than that of A?
Answer : B
Explanation
Required percentage = {50/(100+50)}*100%
= 50/150 * 100 = 100/3
Q 7 - Water tax is increased by 30% but its consumption is decreased by 20%. Then, the increase or decreased in the expenditure of the money is
Answer : D
Explanation
Let tax =Rs.100 and Consumption = 100 units Original expenditure = Rs.100*100=Rs.10000 New expenditure=Rs.(130*80) =Rs. 10400 Increase in expenditure by 4 %
Q 8 - The population of a town is 176400. It increases annually at the rate of 5% p.a. What was it 2 years ago?
Answer : A
Explanation
Population 2 years ago = 176400/(1+5/100)2 =(176400*20/21*20/21)=160000.
Answer : B
Explanation
Let's have x % of 20 = 0.05 => x/100 * (20) = 5/100 =>x = 5 /20 = 0.25%
Q 10 - In a library, 40% of the books are in English, 40% of the remaining books are in Hindi, remianing books are in Oriya. If there are 4800 books in Hindi, then what is the toatl number of books in the library?
Answer : D
Explanation
Let the total number of books in the library be x. ∴ Number of books in English = 40% of x = 40/100 * x = 2x/5 Remaining books =x 2x/5 = 3x/5 Number of books in Hindi = 40% of 3x/5 = (40/100) * 3x/5 = 2/5 * 3x/5 = 6x/25 As per question, 6x/25 = 4800 ∴ x = 20000