NCO- Cyber Olympiad (SOF) Class 10: Questions 21 - 23 of 461

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Question number: 21

» Mental Ability » Basic Geometry

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MCQ▾

Question

The minute hand of a clock is 20 cm long. Find the area of the face of the clock described by the minute hand between 8 AM and 8.35 AM.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 22

» Non Verbal Reasoning » Paper Folding

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MCQ▾

Question

In the given question a square sheet of paper has been folded and punched as shown. How would the paper look like when unfolded?

Image of three folded and punched positions of a square sheet

Image of Three Folded and Punched Positions of a Square Sheet

Representing the image of three folded and punched positions of a square sheet

Choices

Choice (4) Response

a.

Image of unfolded figure of given question figure: Choice A

Image of Unfolded Figure of Given Question Figure: Choice A

Representing the image of unfolded figure of question figure

b.

Image of unfolded figure of given question figure: Choice B

Image of Unfolded Figure of Given Question Figure: Choice B

Representing the image of unfolded figure of question figure

c.

Image of unfolded figure of given question figure: Choice C

Image of Unfolded Figure of Given Question Figure: Choice C

Representing the image of unfolded figure of question figure

d.

Image of unfolded figure of given question figure: Choice D

Image of Unfolded Figure of Given Question Figure: Choice D

Representing the image of unfolded figure of question figure

Question number: 23

» Mental Ability » Basic Statistics

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MCQ▾

Question

Find the mean marks of students from the following cumulative frequency table:

Table of obtained marks by some number of students

Representing the table of obtained marks by some number of students

Marks

Number of Students

0 and above

10 and above

20 and above

30 and above

40 and above

50 and above

60 and above

70 and above

80 and above

90 and above

100 and above

60

58

52

46

36

32

28

22

16

6

0

Choices

Choice (4) Response

a.

55

b.

54.33

c.

51.2

d.

56.89