IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 386 - 392 of 931

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Question 386

Question

MCQ▾

A triangle and a trapezoid are equal in area. They also have the same altitude. If the base of the triangle is 18 inches, the median of the trapezoid is ________

Choices

Choice (4)Response

a.

18 inches

b.

Not obtainable from these data

c.

36 inches

d.

9 inches

Question 387

Question

MCQ▾

Two cubes each of volume are joining end to end. Find the surface area of the resulting cuboid.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 388

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 389

Question

MCQ▾

If the point (3,4) lies on the graph of the equation , find the value of a.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 390

Question

MCQ▾

In the figure , and . If the exterior angle CAX is , then the angle KHC is ________

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 391

Question

MCQ▾

In , and the bisector of meets BC at P. then the ascending order of sides is ________

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question 392

Question

MCQ▾

The area of a quadrilateral, one of whose diagonals is 30 cm long and the perpendiculars from the other two vertices are 19 cm and 11 cm respectively is ________

Choices

Choice (4)Response

a.

b.

c.

d.