IMO- Mathematics Olympiad Class 9: Questions 390 - 393 of 919

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Question number: 390

» Surface Area and Volumes

MCQ▾

Question

Two cylinders of same volume have their heights in the ratio 1: 3. Find the ratio of their radii?

Choices

Choice (4) Response

a.

5:2

b.

3:1

c.

2:5

d.

2:1

Question number: 391

» Coordinate Geometry

MCQ▾

Question

If the point (3, 4) lies on the graph of the equation 3y=ax+7 , find the value of a.

Choices

Choice (4) Response

a.

45

b.

34

c.

53

d.

35

Question number: 392

» Triangles and Circles

MCQ▾

Question

In the figure AB=AC , CH=CB and HK BC . If the exterior angle CAX is 140˚ , then the angle KHC is ________

Given AB=AC, CH=CB and HK is parallel to BC.Exterior angle CAX

Given AB = AC, CH = CB and HK Is Parallel to BC. Exterior Angle CAX

Given AB = AC, CH = CB and HK is parallel to BC. If the exterior angle CAX is 140 find the angle KHC

Choices

Choice (4) Response

a.

45°

b.

50°

c.

55°

d.

40°

Question number: 393

» Triangles and Circles

MCQ▾

Question

In ABC B=45°,C=65° , and the bisector of BAC meets BC at P. then the ascending order of sides is ________

The triangle ABC angle B and C are respectively 45 and 65

The Triangle ABC Angle B and C Are Respectively 45 and 65

Given the triangle ABC angle B and C are respectively 45 and 65 and the bisector of BAC meets BC at P find the ascending order of sides

Choices

Choice (4) Response

a.

AC,BC,AB

b.

AC,AB,BC

c.

BC,AC,AB

d.

AB,AC,BC

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