NCO- Cyber Olympiad (SOF) Class 8: Questions 20 - 23 of 510

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Question number: 20

» Non Verbal Reasoning » Identifying and Counting Geometrical Shapes and Solids

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Question

Analyze the following figure and find the number of quadrilaterals.

Hexagon poly1 Hexagon poly1: Polygon A, B, C, D, E, F Segment a Segment a: Segment [A, B] of Hexagon poly1 Segment b Segment b: Segment [B, C] of Hexagon poly1 Segment c Segment c: Segment [C, D] of Hexagon poly1 Segment d Segment d: Segment [D, E] of Hexagon poly1 Segment e Segment e: Segment [E, F] of Hexagon poly1 Segment f Segment f: Segment [F, A] of Hexagon poly1 Segment g Segment g: Segment [B, D] Segment h Segment h: Segment [A, E] Segment i Segment i: Segment [A, C] Segment j Segment j: Segment [F, D]

Image of a Geometric Figure Created by Some Number of Lines

Representing the image of a geometric figure created by some number of lines

Choices

Choice (4) Response

a.

10

b.

11

c.

9

d.

7

Question number: 21

» Non Verbal Reasoning » Mirror Images

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Question

Seen through a mirror, the arms of a clock show 10: 15. What is the actual time?

Choices

Choice (4) Response

a.

1: 45

b.

2: 45

c.

3: 10

d.

2: 15

Question number: 22

» Mental Ability » Number Games » Number Analogies

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Question

The sum of two numbers is 30 and the difference of their squares is 30. The difference of the numbers is

Choices

Choice (4) Response

a.

1

b.

0

c.

8

d.

3

Question number: 23

» Mental Ability » Basic Arithmetic

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Question

A certain sum of simple interest becomes double in 10 years. In how many years will it become four times?

Choices

Choice (4) Response

a.

40 years

b.

20 years

c.

5 years

d.

50 years