# IMO Level 1- Mathematics Olympiad (SOF) Class 4: Questions 602 - 606 of 614

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## Question number: 602

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### Question Image of the Diagram of Number of Marbles Image of the Diagram of Number of Marbles

Rakesh made the bar graph for different coloured marbles. By mistake he interchanged the bars for green colour and red colour. Consider the given bar graph and answer the following questions.

(I) What is the actual difference between the number of red coloured and yellow coloured marbles?

(ii) What is the sum of brown, green and blue coloured marbles he actually has?

### Choices

Choice (4) Response

a.

(i) 50, (ii) 240

b.

(i) 180, (ii) 250

c.

(i) 40, (ii) 150

d.

(i) 50, (ii) 150

## Question number: 603

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### Question

How many of the given apples show the common multiples of 3 and 5?

### Choices

Choice (4) Response

a.

5

b.

6

c.

9

d.

4

## Question number: 604

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### Question

Find the value of

### Choices

Choice (4) Response

a.

30

b.

24

c.

28

d.

20

## Question number: 605

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### Question

Think of a number. Multiply it by . Add. Multiply by . Subtract . Divided by . The result is . What is the number?

### Choices

Choice (4) Response

a.

b.

c.

d.

40

## Question number: 606

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### Question

 Subjects Number of students Science 18 Mathematics 10 English 6 Hindi 15 Computer 11

The given table shows the number of students who preferred different subjects to study in their free time. Study the given table carefully and answer the following questions.

(i) What fraction of the students preferred English only?

(ii) Which subjects is preferred by one-fourth of the students?

(iii) What fraction of the students preferred both Science and Mathematics?

### Choices

Choice (4) Response

a.

(i) 1/10, (ii) English, (iii) 11/15

b.

(i) 1/10, (ii) Computer, (iii) 7/15

c.

(i) 1/10, (ii) Hindi, (iii) 7/15

d.

(i) 2/10, (ii) Hindi, (iii) 4/15