# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad (SOF) Class 6): Questions 82 - 88 of 268

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## Question number: 82

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A bike can travels at 55 kmph and another at 45 kmph. Ratio of their speeds is

### Choices

Choice (4) Response

a.

10: 3

b.

11: 9

c.

9: 11

d.

3: 10

## Question number: 83

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

By how much must 15 be decreased so that it bears same ratio to 9 as 20 to 15?

### Choices

Choice (4) Response

a.

5

b.

4

c.

3

d.

1

## Question number: 84

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A cloth merchant bought 20 sarees at the rate of Rs. 250 per sarees. If he sold them for Rs. 4800, his loss will be

### Choices

Choice (4) Response

a.

20 Rs.

b.

200 Rs.

c.

1000 Rs.

d.

2000 Rs.

## 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.

f Page