IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 488 - 493 of 968

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Question number: 488

» Statistics & Probability

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MCQ▾

Question

The mean of 9 observations is 36. If the mean of the first 5 observations is 32 and that of the last 5 observations is 39, then the fifth observation is ________

Choices

Choice (4) Response

a.

37

b.

28

c.

43

d.

31

Question number: 489

» Coordinate Geometry

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MCQ▾

Question

is three vertices of the parallelogram WXYZ. The coordinates of fourth vertex is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 490

» Coordinate Geometry

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MCQ▾

Question

If the Points are collinear then which of the following is true?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 491

» Coordinate Geometry

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MCQ▾

Question

The vertices of are . If AD is angle bisector, where D meets on BC, then coordinates of D are ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 492

» Triangle, Circle & Constructions

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MCQ▾

Question

In the figure, is isosceles. Then ________

Given the triangle ABC is isosceles triangle

Given the Triangle ABC is Isosceles Triangle

Given the triangle ABC is isosceles triangle then find square AD minus square AC value

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 493

» Statistics & Probability

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MCQ▾

Question

A card is drawn from a packet of 200 cards numbered 1 to 200. The probability of drawing a number which is a thrice is ________

Choices

Choice (4) Response

a.

b.

c.

d.