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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
35 : 10 = 35⁄10 = (35⁄10 x 100 ) % = 350 %
Q 2 - It costs Rs. 1 to photocopy a sheet of paper. However, 2% discount is allowed on all photocopies done after first 1000 sheets. How much will it cost to copy 5000 sheets of paper?
Answer : C
Explanation
Cost = 1 x 1000 + (100-2)% of 1 x 4000 = 1000 + (98)% of 4000 = 1000 + 3920 = Rs. 4920
Q 3 - The population of a town increased from 175000 to 262500 in a decade. The average percent increase of population per year is:
Answer : C
Explanation
Increase in 10 years = (262500 - 175000) = 87500 Increase % = (87500⁄175000) = 50% Therefore, average = (50⁄10)% = 5%
Q 4 - A spider climbed 621⁄2% of the height of the pole in one hour and in the next hour it covered 121⁄2% of the remaining height. If the height of the pole is 192m, then distance climbed in second hour is?
Answer : A
Explanation
Height climbed in second hour = 121⁄2% of (100 - 621⁄2)% of 192 Therefore, the distance climbed in second hour by spider is 9m.
Q 5 - Of the 1000 inhabitants of a town, 60% are males of whom 20% are literate. If, of all the inhabitants, 25% are literate, then what percent of the females of the town are literate?
Answer : D
Explanation
60⁄100 x 1000 = 600 = number of males → 1000 - 600 = 400 = number of females Literates = 25% of 1000 = 250 Literate males = 20% of 600 = 120 Literate females = 250 - 120 = 130 Therefore, the percent of the females literate = 130⁄400 x 100 = 32.5%
Q 6 - The price of a certain item is increased by 15%. If a consumer wants to keep his expenditure on the item the same as before, how much percent must he reduce his consumption of that item.
Answer : B
Explanation
If the price of a commodity increases by R%, to maintain the same expenditure, the reduction in consumption can be represented by:
{R/(100 + R)}*100%
= {15/(100 + 15)} * 100
= 300/23%
Answer : C
Explanation
It is 35/100*81 - 80/100*25=8.35
Q 8 - The estimation of a machine deteriorates at the rate of 10% for every annum. On the off chance that its present worth is Rs. 8100. What was the machine's estimation 2 years prior?
Answer : A
Explanation
Value of the machine 2 years ago
= {81000/(1-10/100)2 }=(81000*10/9*10/9)=Rs.100000
Answer : C
Explanation
Let x% of 64 = 8. Then, (x/100*64)=8 ∴ x= 8* 100/64= 25/2=12.5.
Q 10 - After spending 15% on raw material, 30 % on machinery, 15% on furniture, 10% on machinery, Harish had a balance of 1300. The money with him was:
Answer : D
Explanation
x-(15% of x+30% of x+15% of x+10% of x)=1300 x-70% of x=1300 =>x=4333