IMO- Mathematics Olympiad Class 10: Questions 450 - 455 of 889

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Question number: 450

» Coordinate Geometry

MCQ▾

Question

If D(4,16),E(5,12)andF(7,8) are the midpoints of the sides of ABC , the area of the triangle is ________

Choices

Choice (4) Response

a.

8 sq. units

b.

9 sq. units

c.

6 sq. units

d.

7 sq. units

Question number: 451

» Coordinate Geometry

MCQ▾

Question

Four vertices of a parallelogram taken in order are (3,1),(a,b),(3,3)and(4,3) . What will be the ratio of a and b?

Choices

Choice (4) Response

a.

1:2

b.

1:3

c.

4:1

d.

3:1

Question number: 452

» Triangle, Circle & Constructions

MCQ▾

Question

In an isosceles triangle ABC, AC=BC BAC is bisected by AD where D lies on BC. It is found that AD=AB . Then ACB equals ________

Given the triangle ABC and D is a lies on BC

Given the Triangle ABC and D Is a Lies on BC

Given the triangle ABC and angle BAC is bisected by AD where D lies on BC

Choices

Choice (4) Response

a.

54°

b.

36°

c.

60°

d.

72°

Question number: 453

» Statistics & Probability

MCQ▾

Question

The mean of 16,23,32,19and518, is ________

Choices

Choice (4) Response

a.

3150

b.

2133

c.

9133

d.

4990

Question number: 454

» Coordinate Geometry

MCQ▾

Question

Area of quadrilateral formed by the vertices (1,2),(4,3),(6,6)and(3,5) is ________

Choices

Choice (4) Response

a.

8 sq. units

b.

10 sq. units

c.

9 sq. units

d.

7 sq. units

Question number: 455

» Statistics & Probability

MCQ▾

Question

The average of 6 number is 40. If one of the numbers is excluded, the mean gets reduced by 5. Then the excluded number is ________

Choices

Choice (4) Response

a.

65

b.

35

c.

55

d.

45

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