# Everyday Mathematics (IMO- Mathematics Olympiad (SOF) Class 8): Questions 23 - 28 of 100

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## Question number: 23

» Everyday Mathematics

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.

40

b.

60

c.

10

d.

50

## Question number: 24

» Everyday Mathematics

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 1000

b.

Rs 2000

c.

Rs 3000

d.

None of the above

## Question number: 25

» Everyday Mathematics

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 1223

b.

Rs. 1215

c.

Rs 1340

d.

None of the above

## Question number: 26

» Everyday Mathematics

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.

35

b.

38

c.

36

d.

34

## Question number: 27

» Everyday Mathematics

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.

50

b.

70

c.

60

d.

40

## Question number: 28

» Everyday Mathematics

MCQ▾

### Question

If students of a class of strength 200 are girls, then number of boys equals________.

### Choices

Choice (4) Response

a.

150

b.

130

c.

160

d.

110

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