# Mental Ability (NCO- Cyber Olympiad (SOF) Class 6): Questions 132 - 137 of 394

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## Question number: 132

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

If stands for ‘division’, stands for ‘equal to’, stands for ‘addition’, stands for ‘greater than’, stands for ‘less than’, stands for ‘multiplication’ and stands for ‘subtraction’, then which of the following alternative is correct?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 133

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A seller has 15 dresses at the rate of Rs. 450 per dress. If he sold them for Rs. 6400, his loss will be

### Choices

Choice (4) Response

a.

350 Rs.

b.

200 Rs.

c.

300 Rs.

d.

400 Rs.

## Question number: 134

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

when expressed as a percentage of , is ________.

### Choices

Choice (4) Response

a.

9%

b.

27%

c.

36%

d.

25%

## Question number: 135

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

The product of two irrational numbers________.

### Choices

Choice (4) Response

a.

Is always rational

b.

Is always irrational

c.

May be rational in some cases and irrational in some other cases

d.

An integer

## Question number: 136

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

when expressed as a percentage of , is ________.

### Choices

Choice (4) Response

a.

85%

b.

87.31%

c.

75%

d.

25%

## Question number: 137

» Mental Ability » Basic Algebra

MCQ▾

### Question

Given, the value of is ________.

### Choices

Choice (4) Response

a.

28

b.

2

c.

6

d.

44

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