# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 138 - 143 of 1059

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## Question number: 138

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MCQ▾

### Question

Which sign will come in the ________ to make the expression true?

### Choices

Choice (4) Response

a.

=

b.

<

c.

>

d.

All of the above

## Question number: 139

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MCQ▾

### Question

Take a triangle. Three straight lines are drawn through the vertices of the triangle as shown. The maximum number of points of intersection is 3. Draw two lines through each vertex of a triangle to meet the opposite sides. What is the maximum number of points of intersection? Image Showing the Triangle Find the maximum number of points of intersection

Find again drawing the maximum number of points of intersection when three lines are drawn through each vertex. Without drawing can you guess the maximum points of intersection for 4 lines?

### Choices

Choice (4) Response

a.

38

b.

42

c.

40

d.

48

## Question number: 140

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MCQ▾

### Question

The number 6,43,590 is divisible by

### Choices

Choice (4) Response

a.

6

b.

3

c.

2

d.

All a. , b. and c. are correct

## Question number: 141

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MCQ▾

### Question

Number of prime numbers from 20 to 70 are

### Choices

Choice (4) Response

a.

9

b.

13

c.

11

d.

16

## Question number: 142

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MCQ▾

### Question

The two numbers nearest to 2000 which are exactly divisible by each of 2,3, 4,5 and 6 is

### Choices

Choice (4) Response

a.

1860,2220

b.

1969,2220

c.

1940,2220

d.

1970,2220

## Question number: 143

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MCQ▾

### Question

Product of two integer is If one of the integers is , then the other is

### Choices

Choice (4) Response

a.

12

b.

6

c.

d.