Mental Ability (NCO- Cyber Olympiad Class 9): Questions 137 - 141 of 219

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Question number: 137

» Mental Ability » Basic Algebra

MCQ▾

Question

The distance between the points (-2, -4) and (3, 8) is

Choices

Choice (4) Response
a.

17

b.

169

c.

18

d.

13

Question number: 138

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The sum of two angles of a triangles is 120° and their difference is 20°, find all the angles of the triangle.

Choices

Choice (4) Response
a.

40°, 50°, 90°

b.

60°, 58°, 70°

c.

50°, 40°, 90°

d.

70°, 50°, 60°

Question number: 139

» Mental Ability » Basic Arithmetic

MCQ▾

Question

How many liters of 30 % alcohol solution should be added to 50 liters of a 60 % alcohol solution to make a 40 % solution?

Choices

Choice (4) Response
a.

100 liters

b.

80 liters

c.

40 liters

d.

60 liters

Question number: 140

» Mental Ability » Basic Geometry

MCQ▾

Question

Select the figure from the four options, which when placed in the blank space of the problem figure would complete the pattern

Find the missing figure from the four options

Find the Missing Figure From the Four Options

Define the figure from the four options and complete the pattern

Choices

Choice (4) Response
a.
 Complete the pattern – Choice A

Complete the Pattern – Choice A

Complete the pattern for blank space of the problem figure

b.
Complete the pattern – Choice B

Complete the Pattern – Choice B

Complete the pattern for blank space of the problem figure

c.
Complete the pattern – Choice C

Complete the Pattern – Choice C

Complete the pattern for blank space of the problem figure

d.
Complete the pattern – Choice D

Complete the Pattern – Choice D

Complete the pattern for blank space of the problem figure

Question number: 141

» Mental Ability » Basic Algebra

MCQ▾

Question

If a = 4+15 , find the value of a3+1a3 .

Choices

Choice (4) Response
a.

488

b.

450

c.

444

d.

446

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