Computer Science and Information Technology
GATE CSE topic:quantitative-aptitude PYQs
Build your understanding with focused practice from past exam papers.
Questions 21–30 of 64. Imported answers require independent review unless marked reviewed.
Question 7
Open questionGAMCQ2 marksNeeds review
A rectangular paper sheet of dimensions 54 cm × 4 cm is taken. The two longer edges of the sheet are joined together to create a cylindrical tube. A cube whose surface area is equal to the area of the sheet is also taken. Then, the ratio of the volume of the cylindrical tube to the volume of the cube is
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A person sold two different items at the same price. He made 10% profit in one item, and 10% loss in the other item. In selling these two items, the person made a total of
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Open questionGAMCQ2 marksNeeds review
The pie chart presents the percentage contribution of different macronutrients to a typical 2,000 kcal diet of a person.

The typical energy density (kcal/g) of these macronutrients is given in the table.
Macronutrient | Energy density (kcal/g) |
|---|---|
Carbohydrates | 4 |
Proteins | 4 |
Unsaturated fat | 9 |
Saturated fat | 9 |
Trans fat | 9 |
The total fat (all three types), in grams, this person consumes is
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Open questionGAMCQ2 marksNeeds review
The pie charts depict the shares of various power generation technologies in the total electricity generation of a country for the years 2007 and 2023.

The renewable sources of electricity generation consist of Hydro, Solar and Wind. Assuming that the total electricity generated remains the same from 2007 to 2023, what is the percentage increase in the share of the renewable sources of electricity generation over this period?
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Open questionGAMCQ1 markNeeds review
A series of natural numbers
obeys
for all integers
. If
, and
, then what is
?Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
A survey for a certain year found that 90% of pregnant women received medical care at least once before giving birth. Of these women, 60% received medical care from doctors, while 40% received medical care from other healthcare providers.
Given this information, which one of the following statements can be inferred with certainty?
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Open questionGAMCQ2 marksNeeds review
Consider two functions of time
,
where
.Now consider the following two statements:
(i) For some
,
.
(ii) There exists a
, such that
for all
.Which one of the following options is TRUE?
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Open questionGAMCQ2 marksNeeds review
and
are functions of
and
, respectively, and
for all real values of
and
. Which one of the following options is necessarily TRUE for all
and
?Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
A function
is defined in the interval
on the
-axis as
Which one of the following is the area under the curve for the interval
on the
-axis?Your answerChoose one option.
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Open questionGAMCQ1 markNeeds review
Let
be a root of the equation
. Then the value of the expression
isYour answerChoose one option.
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