Mental Ability (NCO- Cyber Olympiad Class 7): Questions 64 - 67 of 205

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Question number: 64

» Mental Ability » Basic Arithmetic

MCQ▾

Question

If the area of a triangle with base Equation is equal to the surface area of a cube with length of edge Equation , and then the altitude of the triangle is

Choices

Choice (4) Response

a.

Equation

b.

a

c.

Equation

d.

Equation

Question number: 65

» Mental Ability » Basic Arithmetic

MCQ▾

Question

The ratio of the number of boys and girls in a college is 8: 9. If the percentage increase in the number of boys and girls were 20 % and 10 % respectively, what will be the new ratio?

Choices

Choice (4) Response

a.

96: 99

b.

23: 24

c.

8: 9

d.

17: 18

Question number: 66

» Mental Ability » Basic Statistics

MCQ▾

Question

Which diagram correctly illustrates the relationship between “Garden, Tree, and House”?

Choices

Choice (4) Response

a.

Venn-diagram - relation between garden, tree & house – Choice A

Venn-Diagram - Relation Between Garden, Tree & House – Choice A

Find out the correct figure that shows the best relation between garden, tree, and house

b.

Venn-diagram - relation between garden, tree & house – Choice B

Venn-Diagram - Relation Between Garden, Tree & House – Choice B

Find out the correct figure that shows the best relation between garden, tree, and house

c.

Venn-diagram - relation between garden, tree & house – Choice C

Venn-Diagram - Relation Between Garden, Tree & House – Choice C

Find out the correct figure that shows the best relation between garden, tree, and house

d.

Venn-diagram - relation between garden, tree & house – Choice D

Venn-Diagram - Relation Between Garden, Tree & House – Choice D

Find out the correct figure that shows the best relation between garden, tree, and house

Question number: 67

» Mental Ability » Number Games

MCQ▾

Question

A man has Rs. 380 in the denominations of 1-rupee notes, 2-rupee notes, 5-rupee notes and 10-rupee notes, 20-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has?

Choices

Choice (4) Response

a.

75

b.

48

c.

50

d.

66

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