# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 6): Questions 85 - 90 of 268

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## Question number: 85

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

40 % of 75 % of 80 %=?

### Choices

Choice (4) Response

a.

24 %

b.

44 %

c.

54 %

d.

50 %

## Question number: 86

» Mental Ability » Basic Arithmetic

MCQ▾

### Choices

Choice (4) Response

a.

2.525

b.

1.2525

c.

0.125

d.

12.525

## Question number: 87

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

One bus travels at 3000 and another at 60 . Ratio of their speeds is

### Choices

Choice (4) Response

a.

3: 1

b.

1: 3

c.

4: 2

d.

2: 4

## Question number: 88

» 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: 89

» 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: 90

» 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%

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