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

### Choices

Choice (4) Response

a.

b.

a

c.

d.

## 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.

b.

c.

d.

## 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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