IMO Level 2- Mathematics Olympiad (SOF) Class 9: Questions 10 - 15 of 109

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Question 10

Question

MCQ▾

All surfaces of a cube are coloured. If a number of smaller cubes are taken out from it, each side is the size of the original cube՚s side, find the number of cubes with only one side painted.

Choices

Choice (4)Response

a.

24

b.

c.

16

d.

Question 11

Appeared in Year: 2014

Question

MCQ▾

Rohit is sixteenth from the front in a column of boys. There are twice as many behind him as there are in front. How many boys are there between Rohit and fifth boy from the end of column?

Choices

Choice (4)Response

a.

25

b.

10

c.

26

d.

can՚t be determined

Question 12

Question

MCQ▾

Choose the correct mirror-image of the Fig. (X) .

The Mirror Image

Choices

Choice (4)Response

a.

The Mirror Image Choice-D

b.

The Mirror Image Choice-E

c.

The Mirror Image Choice-A

d.

The Mirror Image Choice-C

Question 13

Question

MCQ▾

A rationalizing factor of is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 14

Question

MCQ▾

If the roots of are equal, then ________.

Choices

Choice (4)Response

a.

0

b.

c.

d.

Question 15

Appeared in Year: 2014

Question

MCQ▾

Priya starts from point N and moves 25 meters south, then she turns left and moves 30 meters, then she turns right and moves 15 meters to reach point P. What is the distance of P from N and which direction is she facing with respect to point N?

Choices

Choice (4)Response

a.

50 meters South-East

b.

40 meters south

c.

45 meters South-East

d.

50 meters South-West