Mental Ability-Basic Geometry (NCO- Cyber Olympiad Class 9): Questions 1 - 5 of 25

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Question number: 1

» Mental Ability » Basic Geometry

MCQ▾

Question

Three circles of radii 2 cm each touch each, other externally. Then the area of the triangle with vertices at centers of these circles is________.

Choices

Choice (4) Response
a.

More than 6 cm2 but less than 7 cm2

b.

More than 7 cm2

c.

Less than 6 cm2

d. All of the above

Question number: 2

» Mental Ability » Basic Geometry

MCQ▾

Question

How many circles can be drawn though two given points.

Choices

Choice (4) Response
a.

1000 only

b.

10 only

c.

Infinity

d.

2 only

Question number: 3

» Mental Ability » Basic Geometry

MCQ▾

Question

Four circles of radii 4 cm each touch each, other externally. Then the area of the square with vertices at centers of these circles is________.

Choices

Choice (4) Response
a.

More than 16cm2 but Less than 17cm2

b.

Less than 64cm2

c.

More than 64cm2

d.

Equal to 64cm2

Question number: 4

» Mental Ability » Basic Geometry

MCQ▾

Question

If the radius of a circle is doubled, then its area is ________.

Choices

Choice (4) Response
a.

Not related to the area of the smaller circle

b.

4 times the area of the smaller circle

c.

Doubled

d. None of the above

Question number: 5

» Mental Ability » Basic Geometry

MCQ▾

Question

Complete the missing portion of the given Figure A.

Complete Missing portion Figure A

Complete Missing Portion Figure A

In define the image find the missing portion in figure in A in All Choices.

Choices

Choice (4) Response
a.
Missing Portion images in figure A choice A

Missing Portion Images in Figure a Choice A

Here in images find the correct choice in Figure A in choice A

b.
Missing Portion images in figure A choice B

Missing Portion Images in Figure a Choice B

Here in images find the correct choice in Figure A in choice B

c.
Missing Portion images in figure A choice C

Missing Portion Images in Figure a Choice C

Here in images find the correct choice in Figure A in choice C

d.
Missing Portion images in figure A choice D

Missing Portion Images in Figure a Choice D

Here in images find the correct choice in Figure A in choice D

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