# IMO Level 2- Mathematics Olympiad (SOF) Class 9: Questions 15 - 17 of 48

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## Question number: 15

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Appeared in Year: 2013

MCQ▾

### Question

What is the number of straight lines and the number of triangles in the given figure? Image Shows Straight Lines and Triangles for Question Image shows Straight Lines and Triangles For Question

### Choices

Choice (4) Response

a.

10 straight lines and 24 triangles

b.

9 straight lines and 34 triangles

c.

9 straight lines and 25 triangles

d.

Question does not provide sufficient data or is vague

## Question number: 16

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Appeared in Year: 2013

MCQ▾

### Question

In a row of boys, if P who is tenth from the left and Q who is ninth from the right interchange their positions, P becomes fifteenth from the left. How many boys are there in the row?

### Choices

Choice (4) Response

a.

28

b.

27

c.

31

d.

23

## Question number: 17

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Appeared in Year: 2013

MCQ▾

### Question

There is a definite relationship between figures P and Q. Establish a similar relationship between figures R and S by selecting a suitable figure from the answer set that would replace the question mark (? ) in Fig. (S) Image Shows the Relationship between P, Q and R Image shows The Relationship Between P, Q and R

### Choices

Choice (4) Response

a. Image Shows the Relationship between P, Q and R for Choice A Image shows The Relationship Between P, Q and R For Choice A

b. Image Shows the Relationship between P, Q and R for Choice B Image shows The Relationship Between P, Q and R For Choice B

c. Image Shows the Relationship between P, Q and R for Choice C Image shows The Relationship Between P, Q and R For Choice C

d. Image Shows the Relationship between P, Q and R for Choice D Image shows The Relationship Between P, Q and R For Choice D