IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 282 - 288 of 931

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Question 282

Question

MCQ▾

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

Choices

Choice (4)Response

a.

19

b.

21

c.

26

d.

11

Question 283

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 284

Question

MCQ▾

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 285

Question

MCQ▾

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 286

Question

MCQ▾

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

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 287

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 288

Question

MCQ▾

The area of trapezium ABCD is ________

Given the ABCD is a Trapezium

Choices

Choice (4)Response

a.

b.

c.

d.