IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 425 - 429 of 968

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Question number: 425

» Coordinate Geometry

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MCQ▾

Question

In a , coordinates of J are and the equations of the medians through K and L is and respectively, so the coordinates of K and L are ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 426

» Coordinate Geometry

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MCQ▾

Question

The coordinates of the third vertex of an equilateral triangle whose two vertices are at are ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 427

» Coordinate Geometry

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MCQ▾

Question

The coordinates of the mid-points of the sides of a triangle are . What will be the coordinates of the centroid of the triangle?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 428

» Statistics & Probability

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MCQ▾

Question

The average of 15 results is 50. If the average of the first seven results is 82 and that of the last seven is 92, then the seventh result is ________

Choices

Choice (4) Response

a.

488

b.

466

c.

468

d.

486

Question number: 429

» Statistics & Probability

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MCQ▾

Question

The average temperatures of Monday, Tuesday, Wednesday and Thursday was . The average temperature of Tuesday, Wednesday, Thursday and Friday was . If the temperature on Monday was , then the temperature on Friday was ________.

Choices

Choice (4) Response

a.

b.

c.

d.