# IMO- Mathematics Olympiad Class 9: Questions 601 - 607 of 919

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## Question number: 601

MCQ▾

### Question

Miral says that father of Ravi’s father is my father. How is Miral related to Ravi?

### Choices

Choice (4) Response

a.

Mother

b.

Mother’s Mother

c.

Aunt (Father’s Sister)

d.

Sister

## Question number: 602

MCQ▾

### Question

The mean weight of 120 students in a class is 100 kg. The mean weight of boys is 110 kg while that of the girls is 90 kg. The number of boys and girls are________

### Choices

Choice (4) Response

a.

60, 60

b.

40, 30

c.

70, 40

d.

10, 50

## Question number: 603

MCQ▾

### Question

The median of the observation 3, 5, 9, 5, 4, 3, 1 is ________

### Choices

Choice (4) Response

a.

5

b.

3

c.

4

d.

1

## Question number: 604

MCQ▾

### Question

In a km. race A beats B by 50 metres or 5 seconds. Then A’s time over the course is ________

### Choices

Choice (4) Response

a.

2 minutes 20 seconds

b.

1 minutes 35 seconds

c.

3 minutes 17 seconds

d.

2 minutes 35 seconds

## Question number: 605

MCQ▾

### Question

If the mode of the following data 6, 8, 7, 6, x, 6, 4, 8, 7, 4, 8, 7 is 6, then value of x is ________

### Choices

Choice (4) Response

a.

8

b.

6

c.

4

d.

1

## Question number: 606

MCQ▾

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 607

MCQ▾

### Question

If in the following groups of numbers after adding all the digits of each group, are arranged in decreasing order, then which will be middle group?

853, 395, 486, 249, 497, 766, 914

### Choices

Choice (4) Response

a.

486

b.

395

c.

497

d.

766

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