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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 : D
Explanation
= (860⁄100 x 50 + 50⁄100 x 860) = 860
Q 2 - If a number p is 10% less than another number q and q is 10% more than 125, then p is equal to?
Answer : B
Explanation
q = 125 + 10% of 125 = 137.50 p = 137.50 - 10% of 137.50 = 123.75
Q 3 - In a competitive examination in Zone A, 6% candidates got selected from the total appeared candidates. Zone B had an equal number of candidates appeared and 7% candidates got selected with 80 more candidates got selected than A. What was the number of candidates appeared from each Zone?
Answer : A
Explanation
Let p be the number of candidates appeared from each zone. Then, 7% of p - 6% of p = 80 p = 80 x 100 = 8000
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 price of potatoes came down to Rs 12 per kg from Rs 16 per kg. Find the percentage decrease.
Answer : A
Explanation
decrease = 16-12 = 4 => %decrease = 4/16 * 100 = 25%
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 - 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 : C
Explanation
Let x% of 64 = 8. Then, (x/100*64)=8 ∴ x= 8* 100/64= 25/2=12.5.
Q 10 - When the price of a product was increased by 15%, the number sold was decreased by 20%. What was the net effect?
Answer : C
Explanation
Let original price of the product = Rs 100 and number of products originally sold = 100. Original sale proceeds = 100*100 = Rs 10,000/- New sale proceeds = 115*80 = Rs 9200 Decrease = 10,000 9,200 = 800/- ∴ Decrease % = (800/1000)*100 = 8%