# NCO- Cyber Olympiad (SOF) Class 8: Questions 109 - 113 of 510

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## Question number: 109

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MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 110

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MCQ▾

### Question

The difference between the compound interest and the simple interest on a certain sum at 10 % per annum for 2 years is Rs. 320. Find the sum.

### Choices

Choice (4) Response

a.

32000 Rs.

b.

16000 Rs.

c.

3200 Rs.

d.

6400 Rs.

## Question number: 111

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MCQ▾

### Question

The monthly salaries of A, B, C are in the proportion 2: 3: 5. If C’s monthly salary is Rs. 2400 more than that of A, then B’s annual salary is

### Choices

Choice (4) Response

a.

Rs. 1200

b.

Rs. 28000

c.

Rs. 28800

d.

Rs. 2400

## Question number: 112

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MCQ▾

### Question

A factory requires 20 machines to produce a given number of articles in 32 days. How many machines would be required to produce the same number of articles in 20 days?

### Choices

Choice (4) Response

a.

32

b.

52

c.

64

d.

40

## Question number: 113

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MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.