IMO- Mathematics Olympiad (SOF) Class 10: Questions 460 - 466 of 958

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Question number: 460

» Statistics & Probability

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.

40

c.

50

d.

30

Question number: 461

» Coordinate Geometry

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

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

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

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: 465

» Statistics & Probability

MCQ▾

Question

A card is drawn from a packet of 100 cards numbered 50 to 150. The probability of drawing a number which is a square is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 466

» Triangle, Circle & Constructions

MCQ▾

Question

In rhombus ABCD, =________

Given the rhombus ABCD

Given the Rhombus ABCD

Given the rhombus ABCD and find the All sides square number

Choices

Choice (4) Response

a.

b.

c.

d.

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