IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 458 - 464 of 968

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Question number: 458

» Coordinate Geometry

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MCQ▾

Question

Points are joined to form a quadrilateral. What will be the structure of quadrilateral?

Choices

Choice (4) Response

a.

Square

b.

Rhombus

c.

Parallelogram

d.

Rectangle

Question number: 459

» Coordinate Geometry

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MCQ▾

Question

If are the midpoints of the sides of , the area of the triangle is ________

Choices

Choice (4) Response

a.

24 sq. units

b.

50 sq. units

c.

96 sq. units

d.

48 sq. units

Question number: 460

» Statistics & Probability

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MCQ▾

Question

The average of 10 results is 70. If the average of the first five results is 60 and that of the last five is 70, then the fifth result is ________

Choices

Choice (4) Response

a.

20

b.

30

c.

40

d.

50

Question number: 461

» Coordinate Geometry

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MCQ▾

Question

If are the vertices of a right angle triangle, right angle at P, then a is ________

Choices

Choice (4) Response

a.

3

b.

4

c.

2

d.

1

Question number: 462

» Statistics & Probability

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MCQ▾

Question

One card is drawn from a well-shuffled deck of 52 cards the probability of the card drawn is a king or queen ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 463

» Statistics & Probability

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MCQ▾

Question

The mean of a data is ‘p’. if each observation is multiplied by 3 and then 1 is added to each result, then the mean of the new observations so obtained is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 464

» 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.