Questions 41–50 of 64. Imported answers require independent review unless marked reviewed.

Topic practice 64 questionsPage 5 of 7

Question 8

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The figure below shows an annular ring with outer and inner radii

and

, respectively. The annular space has been painted in the form of blue colour circles touching the outer and inner periphery of annular space. If maximum

number of circles can be painted, then the unpainted area available in annular space is _____.
Diagram for Computer Science and Information Technology question 8

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Question 9

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Two straight lines are drawn perpendicular to each other in X-Y plane. If

and

are the acute angles the straight lines make with the X-axis, then

is _____.
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Question 10

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The total revenue of a company during 2014-2018 is shown in the bar graph. If the total expenditure of the company in each year is 500 million rupees, then the aggregate profit or loss (in percentage) on the total expenditure of the company during 2014-2018 is ____.
Diagram for Computer Science and Information Technology question 10

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Question 3

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Two cars start at the same time from the same location and go in the same direction. The speed of the first car is 50 km/h and the speed of the second car is 60 km/h. The number of hours it takes for the distance between the two cars to be 20 km is ___.
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Question 4

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Ten friends planned to share equally the cost of buying a gift for their teacher. When two of them decided not to contribute, each of the other friends had to pay Rs 150 more. The cost of the gift was Rs. ____.
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Question 7

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In the given diagram, teachers are represented in the triangle, researchers in the circle and administrators in the rectangle. Out of the total number of the people, the percentage of administrators shall be in the range of .
Diagram for Computer Science and Information Technology question 7

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Question 9

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In a college, there are three student clubs. Six students are only in the Drama club, 80 students are only in the Dance club, 30 students are only in the Maths club, 10 students are in both Drama and Dance clubs, 12 students are in both Dance and Maths clubs, 7 students are in both Drama and Maths clubs, and 2 students are in all the clubs. If 75% of the students in the college are not in any of these clubs, then the total number of students in the college is _____.
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Question 3

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The area of a square is

. What is the area of the circle which has the diagonal of the square as its diameter?
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Question 4

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What would be the smallest natural number which when divided either by 20 or by 42 or by 76 leaves a remainder of 7 in each case?
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Question 5

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What is the missing number in the following sequence?
2, 12, 60, 240, 720, 1440, _____, 0
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