# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 808 - 813 of 1040

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## Question number: 808

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MCQ▾

### Question

Find the length of the longest pole that can be placed in a room 11 m long, 6 m broad and 8 m high.

### Choices

Choice (4)Response

a.

11 meter

b.

14 meter

c.

15 meter

d.

10 meter

## Question number: 809

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MCQ▾

### Question

Mansi gets 3 marks for each correct answer and loses 1 marks for each wrong answer. He attempts 100 problems and obtains 60 marks. The number of problem incorrect is________.

### Choices

Choice (4)Response

a.

50

b.

60

c.

40

d.

10

## Question number: 810

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Appeared in Year: 2012

MCQ▾

### Question

On the April 1,2012 Megha’s salary increased from Rs. 10,000 to Rs. 16,000. Simultaneously the rate of income tax decreased by 37.5%. So the amount of income tax paid by Megha remains constant, what is the amount of income tax paid by her?

### Choices

Choice (4)Response

a.

Rs 2000

b.

Rs 1000

c.

Rs 3000

d.

None of the above

## Question number: 811

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MCQ▾

### Question

Two bills of Rs. 6075 and Rs. 8505 respectively are to be paid by cheques of the same amount. What will be the largest possible amount of each cheque?

### Choices

Choice (4)Response

a.

Rs 1340

b.

Rs. 1215

c.

Rs 1223

d.

None of the above

## Question number: 812

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MCQ▾

### Question

Reena correctly answered 40 % of the questions in a maths test contained exactly 60 questions. How many of the questions did he answer incorrectly?

### Choices

Choice (4)Response

a.

34

b.

36

c.

38

d.

35

## Question number: 813

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MCQ▾

### Question

Amit wrongly answered 30 % of the questions in a chemistry test contained exactly 100 questions. How many of the questions did he answer correctly?

### Choices

Choice (4)Response

a.

40

b.

60

c.

50

d.

70

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