IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 133 - 139 of 1059

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Question 133

Question

MCQ▾

The number (12,7) are

Choices

Choice (4)Response

a.

Co-prime numbers

b.

Prime and co-prime

c.

Prime numbers

d.

None of the above

Question 134

Question

MCQ▾

Add the number obtained by reversing the digits of the number 59371 to the number obtained by interchanging the digits in the unit՚s place and the thousand՚s place of the same number, we get________.

Choices

Choice (4)Response

a.

67784

b.

86447

c.

68774

d.

- 68774

Question 135

Question

MCQ▾

If negative sign precedes a bracket the sign of the terms inside the bracket will ________ when the bracket is removed.

Choices

Choice (4)Response

a.

Change

b.

Not change

c.

Be 0

d.

Depends on the bracket

Question 136

Question

MCQ▾

1265 is divisible by

Choices

Choice (4)Response

a.

10

b.

11

c.

3

d.

2

Question 137

Question

MCQ▾

There are 207 white balls and 115 blue balls. These balls are to be arranged in buckets containing the same number of balls. Then the greatest number of balls possible in each bucket is

Choices

Choice (4)Response

a.

23

b.

18

c.

28

d.

217

Question 138

Question

MCQ▾

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

Choices

Choice (4)Response

a.

=

b.

<

c.

>

d.

All of the above

Question 139

Question

MCQ▾

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 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