Mental Ability (NCO- Cyber Olympiad (SOF) Class 9): Questions 184 - 188 of 219

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Question number: 184

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

Question

The given cube is constructed so that the sphere shown would fit inside it, touching the center of each face of the cube at exactly one point. Which of the following lengths best represents the diameter of the sphere?

Image shows the cube

Image Shows the Cube

Given the Cube is constructed so that the Sphere shown would fit inside it, find the best represents the diameter of the sphere

Choices

Choice (4) Response

a.

LJ

b.

LK

c.

HK

d.

HJ

Question number: 185

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

Question

is expressed as a product of a linear factor and a quadratic factor. The linear factor is ________

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 186

» Mental Ability » Basic Algebra

MCQ▾

Question

Which of the equations below represents the second step of the solution process?

Step 1.

Step 2. ________

Step 3.

Step 4.

Step 5.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 187

» Mental Ability » Basic Algebra

MCQ▾

Question

A classroom contained an equal number of boys and girls. Eight girls left to play hockey, leaving twice as many boys as girls in the classroom. Then the number of students in the class originally was________

Choices

Choice (4) Response

a.

25

b.

14

c.

18

d.

None of the above

Question number: 188

» Mental Ability » Basic Algebra

MCQ▾

Question

A Stadium contained an equal number of boys and girls. 20 boys left to play volleyball, leaving twice as many girls as boys in the Stadium. Then the number of students in the Stadium originally was________

Choices

Choice (4) Response

a.

80

b.

100

c.

120

d.

90

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