IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 282 - 288 of 929

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Question number: 282

» Triangles and Circles

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MCQ▾

Question

In the medians XC, YB and ZA pass through O. If , then YB is ________

Given the triangle XYZ the medians XC, YB and ZA pass through O

Given the Triangle XYZ the Medians XC, YB and ZA Pass through O

Choices

Choice (4)Response

a.

19

b.

21

c.

26

d.

11

Question number: 283

» Triangles and Circles

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MCQ▾

Question

In the figure , and . If the exterior angle XZK is , then the angle NMX is ________

Given XY=YZ, XM=XZ and MN is parallel to XY Exterior angle XZK

Given XY = YZ, XM = XZ and MN is Parallel to XY Exterior Angle XZK

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 284

» Surface Area and Volumes

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MCQ▾

Question

The number of spherical balls each 4 cm in diameter be made out of a rectangular solid is ________

Choices

Choice (4)Response

a.

107

b.

105

c.

102

d.

109

Question number: 285

» Surface Area and Volumes

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MCQ▾

Question

The ratio between the perimeter and breadth of rectangle is . If the area of the rectangle is 116 sq. cm. then length of the rectangle is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 286

» Triangles and Circles

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MCQ▾

Question

The and are right angles. If , and , then the length of BD is ________

Given the ABC and BDC are right angles

Given the ABC and BDC Are Right Angles

Choices

Choice (4)Response

a.

16 cm

b.

15 cm

c.

12 cm

d.

25 cm

Question number: 287

» Surface Area and Volumes

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MCQ▾

Question

The volume of a sphere is the curved surface of its sphere is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 288

» Triangles and Circles

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MCQ▾

Question

The area of trapezium ABCD is ________

Given the ABCD is a trapezium

Given the ABCD is a Trapezium

Choices

Choice (4)Response

a.

b.

c.

d.

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