IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 445 - 451 of 931

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Question 445

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Question

MCQ▾

In an isosceles triangle ABC, with, the bisectors of and intersect each other at O. join A to O, then________

Given the isosceles triangle ABC with AB=AC

Given the Isosceles Triangle ABC with AB = AC

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Choices

Choice (4)Response
a.
b.
c.
d.

Question 446

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Question

MCQ▾

In the adjoining figure, , then is ________

Given the triangle PQR and ratio QS: SR equals 3: 2

Given the Triangle PQR and Ratio QS: SR Equals 3: 2

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Choices

Choice (4)Response
a.
b.
c.
d.

Question 447

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Question

MCQ▾

The locus of a point equidistant from the three sides of a triangle is ________

Choices

Choice (4)Response
a.Orthocenter
b.Incenter
c.Centroid
d.Circumcenter

Question 448

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Question

MCQ▾

The distance between the points P (-4, -3) and Q (5,6) is calculated as

Choices

Choice (4)Response
a.
b.
c.
d.

Question 449

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Question

MCQ▾

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

Given the WXY and XZY are right angles

Given the WXY and XZY Are Right Angles

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Choices

Choice (4)Response
a.
b.
c.
d.

Question 450

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Question

MCQ▾

If the point (5,7) lies on the graph of the equation, find the value of a.

Choices

Choice (4)Response
a.7
b.8
c.9
d.6

Question 451

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Question

MCQ▾

A rectangular field has its length and breadth in the ratio. Its area is 0.9 hectares. The cost of fencing it at RS. 10 per meter is ________

Choices

Choice (4)Response
a.Rs. 5200
b.Rs. 6200
c.Rs. 4200
d.Rs. 7400