# IMO Level 1- Mathematics Olympiad (SOF) Class 4: Questions 481 - 485 of 615

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## Question 481

### Question

MCQ▾

Prem bought 40 apples. He put 10 good apples in a box. From the remaining, he found out that out of every 5 apples, 2 are rotten and had to be thrown away. How many apples in the end are left with him?

### Choices

Choice (4)Response

a.

20

b.

18

c.

34

d.

26

## Question 482

Appeared in Year: 2012

### Question

MCQ▾

Riya is 17th from the front in a queue. She is 19th from the end. Then how many students are there in the queue?

### Choices

Choice (4)Response

a.

36

b.

35

c.

7

d.

20

## Question 483

Appeared in Year: 2012

### Question

MCQ▾

The given bar graph shows the height of five children. What is the difference between the height of the tallest child and the shortest child?

### Choices

Choice (4)Response

a.

105 cm

b.

30 cm

c.

60 cm

d.

45 cm

## Question 484

Appeared in Year: 2012

### Question

MCQ▾

Prerna bought 80 peaches. She found out that out of every 10 peaches, 2 are rotten and had to be thrown away. How many peaches in the end are left with her?

### Choices

Choice (4)Response

a.

56

b.

64

c.

60

d.

70

## Question 485

### Question

MCQ▾

There are 140 people in a hall. They are divided equally into 4 groups of adults and 3 groups of children. If there are 4 children in each group, then how many adults are there in each group?

### Choices

Choice (4)Response

a.

60

b.

70

c.

62

d.

64