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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 : B
Explanation
= (45⁄100 x 750) - (25⁄100) x 480) = 337.50 - 120 = 217.50
Q 2 - Aman buys goods worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for goods?
Answer : B
Explanation
Rebate = 6% of 6650 = Rs. 399 Sales Rax = 10% of (6650 - 399) = 10⁄100 x 6251 = Rs. 625.10 Therefore, amount = 6251 + 625.10= Rs. 6876.10
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 - Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of marks. The marks obtained by them are?
Answer : B
Explanation
Let m + 9 and m be the marks of two students Then, m + 9 = 56⁄100(m + 9 + m) → 3m = 99 → m = 33 Therefore, marks = (m + 9) = 42 and 33.
Q 5 - The wheat production of a farmer increased from 180 quintals to 190 quintals. Find the percentage increase in production.
Answer : D
Explanation
Increase =190-180=10 %Increase=(10/180)*100 = 5.56%
Q 6 - The population of a state is counted after every three years. It is found that the population each time is increased by 20% as compared to the previous count. If the population in the year 1998 was 42 lakhs, what will be the population in the year 2007 in lakhs?
Answer : B
Explanation
Since population is counted after every three years, there will be three countings between 1998 and 2007. ∴ Population in 2007 = 42(1 + 20/100)3 = 42(6/5)3 = 42 (216/125) = 72.576 lakhs
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 - In mathematics exam saif khan scored 25% marks in the first paper out of a total of 180.How much should he score in second paper out of 200, if he is to get an overall average of at least 50%?
Answer : C
Explanation
25% OF 180 +x% of 200= 50%of (180+200) 45+(x%0f 200)=190 x=72.5
Answer : D
Explanation
Let's have 40% of x = 240. => 40/100 x = 240 => x = 240 * 10/4= 600
Q 10 - The production of company A increased by 25% from 1994 to 1995 and its production further increased by 60% from 1995 to 1996. What is the total percent increase in production from 1994 to 1996?
Answer : D
Explanation
Production in 1996 = 160/100 * 125/100 * Production on 1994
= 20000/10000 * Production on 1994
= 2 * Production on 1994
∴ Required % Increase = {(Production on 1996 - Production on 1994)/ Production on 1994}*100%
Consider, Production on 1994 = x. Then, Production on 1996 = 2x.
= (2x x)/x * 100%= 100%