# Mental Ability (NCO- Cyber Olympiad (SOF) Class 5): Questions 53 - 59 of 257

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## Question number: 53

» Mental Ability » Basic Geometry

MCQ▾

### Question

The length of a rectangular surface is 8 cm. If the perimeter is 20 cm, what is the area of the surface?

### Choices

Choice (4) Response

a.

1

b.

16

c.

54

d.

66

## Question number: 54

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The sum of all numbers from 1 to 5 is ________.

### Choices

Choice (4) Response

a.

odd

b.

Negative

c.

Prime number

d.

Even

## Question number: 55

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Three out of every ten students in the fifth grade own a computer. There are 50 students in the fifth grade. How many fifth grade students own computers?

### Choices

Choice (4) Response

a.

10 Students

b.

25 Students

c.

15 Students

d.

20 Students

## Question number: 56

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

choose the symbol that will make this statement true.

55 + 11 ________ 44 + 22

### Choices

Choice (4) Response

a.

<

b.

=

c.

>

d.

All of the above

## Question number: 57

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Choose the symbol that will make this statement true.

54 + 19 ________ 34 + 29

### Choices

Choice (4) Response

a.

=

b.

>

c.

<

d.

~

## Question number: 58

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Each Pyramid on the scale weights 15 gms. All the cubes have equal weights. What is the weight of one of the cubes?

### Choices

Choice (4) Response

a.

15gms

b.

60gms

c.

20gms

d.

30gms

## Question number: 59

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

________ is the representation of frequencies by cartoon picture.

### Choices

Choice (4) Response

a.

Pie diagram

b.

Frequency table

c.

Pictograph

d.

Bar graph

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