IMO- Mathematics Olympiad Class 7: Questions 269 - 273 of 965

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Question number: 269

» Practical Geometry - Lines and Angles

MCQ▾

Question

Two supplementary angles are in the ratio 9:11 , than the angles are

Choices

Choice (4) Response
a.

81°,99°

b.

82°,98°

c.

80°,100°

d.

70°,110°

Question number: 270

» Practical Geometry - Lines and Angles

MCQ▾

Question

In the figure, MN is parallel to RT. SO is a straight line. Find ORT .

Image of straight line SO and RT is parallel to MN

Image of Straight Line SO and RT Is Parallel to MN

Showing image of straight line SO and RT is parallel to MN

Choices

Choice (4) Response
a.

110°

b.

107°

c.

90°

d.

130°

Question number: 271

» Algebraic Expressions

MCQ▾

Question

If x, y, z are real and unequal numbers, then which is true?

Choices

Choice (4) Response
a.

2015X2+2015Y2+6Z2>2(12XY+YZ+ZX)

b.

2015X2+2015Y2+6Z2>2(20XY+3YZ+3ZX)

c.

2000X2+205Y2+6Z2>2(2012XY+3YZ+3ZX)

d.

2015X2+2015Y2+6Z2>2(2012XY+3YZ+3ZX)

Question number: 272

» Practical Geometry - Lines and Angles

MCQ▾

Question

A right- angled triangle has hypotenuse 15 cm, one side is 12 cm, then the third side is ________

Choices

Choice (4) Response
a.

9 cm

b.

10 cm

c.

11 cm

d.

8 cm

Question number: 273

» Practical Geometry - Lines and Angles

MCQ▾

Question

The angle between two hands of clock at 10:30 pm is ________.

Choices

Choice (4) Response
a.

65°

b.

155°

c.

105°

d.

135°

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