Mental Ability-Basic Geometry (NCO- Cyber Olympiad Class 5): Questions 18 - 21 of 50

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Question number: 18

» Mental Ability » Basic Geometry

MCQ▾

Question

The side of square increased from 4 cm to 12 cm. How much did the area of the square increase?

Choices

Choice (4) Response

a.

615 cm2

b.

128 cm2

c.

136 cm2

d.

75 cm2

Question number: 19

» Mental Ability » Basic Geometry

MCQ▾

Question

Which of the following triangle is an acute angle (Diagram only for illustration)?

Choices

Choice (4) Response

a.

Finding acute angle – Choice A

Finding Acute Angle – Choice A

Find the triangle which shows acute angle

b.

Finding acute angle – Choice B

Finding Acute Angle – Choice B

Find the triangle which shows acute angle

c.

Finding acute angle – Choice C

Finding Acute Angle – Choice C

Find the triangle which shows acute angle

d.

Finding acute angle – Choice D

Finding Acute Angle – Choice D

Find the triangle which shows acute angle

Question number: 20

» Mental Ability » Basic Geometry

MCQ▾

Question

Calculate the area of the shaded part:

A shape made by lines showing shaded area.

A Shape Made by Lines Showing Shaded Area.

Find the area of shaded region by using mathematical formula.

Choices

Choice (4) Response

a.

50 cm2

b.

32 cm2

c.

42 cm2

d.

60 cm2

Question number: 21

» Mental Ability » Basic Geometry

MCQ▾

Question

Which of the following triangle is an obtuse angle (Diagram for illustration)?

Choices

Choice (4) Response

a.

Finding obtuse angle - Choice - A.

Finding Obtuse Angle - Choice - a.

Find triangle which has Obtuse angle

b.

Finding obtuse angle - Choice - B

Finding Obtuse Angle - Choice - B

Find triangle which has Obtuse angle

c.

Finding obtuse angle - Choice - C

Finding Obtuse Angle - Choice - C

Find triangle which has Obtuse angle

d.

 Finding obtuse angle - Choice - D

Finding Obtuse Angle - Choice - D

Find triangle which has Obtuse angle

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