Aptitude · all questions

Percentage
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Q481

Open question

The population of a town is 8500. It increases by 20% in the first year and by another 25% in the second year. What would be the population of the town after 2 years ?

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Q482

Open question

In a survey of a city, it was found that 90 percent of the people in the city own a refrigerator and 15 percent own a washing machine. If everybody owns at least one appliance, what percentage owns both ?

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Q483

Open question

A and B are two fixed points 5 cm apart and C is a point on AB such that AC is 3 cm. If the length of AC is increased by 6%, the length of CB is decreased by :

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Q484

Open question

In an examination, 34% of the students failed in Mathematics and 42% failed in English. If 20% of the students failed in both the subjects, then the percentage of students who passed in both the subjects was :

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Q485

Open question

If x% of a is the same as y% of b, then z% of b is :

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Q486

Open question

In the price of sugar falls by

2 \frac{1}{2} %

, a person can buy 9 kg more of sugar for Rs. 1260 than before. If the price had risen by

12 \frac{1}{2} %

, how much sugar would he have bought for the same sum ?

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Q487

Open question

At a special sale, 5 tickets can be purchased for the price of 3 tickets. If 5 tickets are purchased at the sale, the amount saved will be what percent of the original price of the 5 tickets ?

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Q488

Open question

The price of sugar per kg increased from Rs. 16 to Rs. 20. The percentage reduction in the use of sugar so that the expenditure does not increase, should be :

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Q489

Open question

If 50% of (x - y) = 30% of (x + y), then what percent of x is y ?

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Q490

Open question

In a History examination, the average for the entire class was 80 marks. If 10% of the students scored 95 marks and 20% scored 90 marks, what was the average marks of the remaining students of the class ?

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Q491

Open question

The population of a town is 4.2 × 10⁶. If the population increases by 75 per 1000 per annum, then what will be the population after 2 years ?

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Q492

Open question

A's marks in Biology are 20 less than 25% of the total marks obtained by him in Biology, Maths and Drawing. If his marks in Drawings be 50, what are his marks in Maths ?

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Q493

Open question

If x = 63% of y, then y² is approximately what percent of x² ?

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Q494

Open question

A number is first decreased by 10% and then increased by 10%. The number so obtained is 50 less than the original number. The original number is :

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Q495

Open question

A city has a population of 300000 out of which 180000 are males. 50% of the population is literate. If 70% of the males are literate, then the percentage of female who are literate is :

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Q496

Open question

The price of an articles was increased by r%. Later the new price was decreased by r%. If the latest price was Rs. 1, then the original price was :

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Q497

Open question

In September 2009, the sales of a product were

\frac{2}{3}

rd of the that in July 2009. In November 2009, the sales of the product were higher by 5% as compared to September 2009. How much is the percentage of increase on sales in November 2009 with respect to the base figure in July 2009 ?

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Q498

Open question

Two numbers are respectively 25% and 60% more than a third number. The ratio of the two numbers is:

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Q499

Open question

The income of A is 80% of B's income and the expenditure of A is 60% of B's expenditure. If the income of A is equal to 90% of B's expenditure, then by what percentage are the saving of A more than B's savings?

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Q500

Open question

What is to be added to 15% of 180 so that the sum is equal to 20% of 360?

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Percentage
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