Life Sciences
GATE XL Quantitative Aptitude PYQs
Build your understanding with focused practice from past exam papers.
Questions 31–40 of 42. Imported answers require independent review unless marked reviewed.
Question 6
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Fiscal deficit was 4% of the GDP in 2015 and that increased to 5% in 2016. If the GDP increased by 10% from 2015 to 2016, the percentage increase in the actual fiscal deficit is _____.
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Two pipes P and Q can fill a tank in 6 hours and 9 hours respectively, while a third pipe R can empty the tank in 12 hours. Initially, P and R are open for 4 hours. Then P is closed and Q is opened. After 6 more hours R is closed. The total time taken to fill the tank (in hours) is _____.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 9
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Mola is a digital platform for taxis in a city. It offers three types of rides – Pool, Mini and Prime. The Table below presents the number of rides for the past four months. The platform earns one US dollar per ride. What is the percentage share of revenue contributed by Prime to the total revenues of Mola, for the entire duration?
Type | Month | | | |
|---|---|---|---|---|
| January | February | March | April |
Pool | 170 | 320 | 215 | 190 |
Mini | 110 | 220 | 180 | 70 |
Prime | 75 | 180 | 120 | 90 |
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 3
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Seven machines take 7 minutes to make 7 identical toys. At the same rate, how many minutes would it take for 100 machines to make 100 toys?
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A rectangle becomes a square when its length and breadth are reduced by 10 m and 5 m, respectively. During this process, the rectangle loses 650 m² of area. What is the area of the original rectangle in square meters?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 5
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A number consists of two digits. The sum of the digits is 9. If 45 is subtracted from the number, its digits are interchanged. What is the number?
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For integers
,
and
, what would be the minimum and maximum values respectively of
if
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From the time the front of a train enters a platform, it takes 25 seconds for the back of the train to leave the platform, while traveling at a constant speed of 54 km/h. At the same speed, it takes 14 seconds to pass a man running at 9 km/h in the same direction as the train. What is the length of the train and that of the platform in meters, respectively?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 119
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What is the value of x when
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 120
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Two dice are thrown simultaneously. The probability that the product of the numbers appearing on the top faces of the dice is a perfect square is
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