IMO- Mathematics Olympiad Class 9: Questions 284 - 287 of 919

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Question number: 284

» Triangles and Circles

MCQ▾

Question

In the figure Equation , Equation and Equation . If the exterior angle XZK is Equation , 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

Given XY = YZ, XM = XZ and MN is parallel to XY. If the exterior angle XZK is 144 find the angle NMX

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 285

» Surface Area and Volumes

MCQ▾

Question

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

Choices

Choice (4) Response

a.

107

b.

109

c.

102

d.

105

Question number: 286

» Surface Area and Volumes

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 287

» Triangles and Circles

MCQ▾

Question

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

Given the ABC and BDC are right angles

Given the ABC and BDC Are Right Angles

Given the ABC and BDC are right angles, Ad is 9 cm, DC is 16 cm and AB is 15 cm, then Find the length of BD

Choices

Choice (4) Response

a.

25 cm

b.

15 cm

c.

12 cm

d.

16 cm

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