IMO- Mathematics Olympiad Class 6: Questions 139 - 144 of 1049

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1049 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 139

» Basic Geometrical Ideas

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

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.

48

c.

42

d.

40

Question number: 140

» Playing With Numbers

MCQ▾

Question

The number 6, 43, 590 is divisible by

Choices

Choice (4) Response

a.

2

b.

6

c.

3

d.

All a. , b. and c. are correct

Question number: 141

» Playing With Numbers

MCQ▾

Question

Number of prime numbers from 20 to 70 are

Choices

Choice (4) Response

a.

11

b.

9

c.

16

d.

13

Question number: 142

» Playing With Numbers

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.

1970, 2220

b.

1969, 2220

c.

1860, 2220

d.

1940, 2220

Question number: 143

» Number Systems

MCQ▾

Question

Product of two integer is 72 If one of the integers is 2 , then the other is

Choices

Choice (4) Response

a.

24

b.

12

c.

36

d.

6

Question number: 144

» Number Systems

MCQ▾

Question

There are 378 Mangoes in a basket. A girl takes out 7 Mango from it and replaces them by 15 orange. She continues to do so, till all Mangoes are replaced by Orange. Find the number of orange put in the basket?

Choices

Choice (4) Response

a.

460

b.

480

c.

810

d.

850

Sign In