IMO- Mathematics Olympiad Class 10: Questions 399 - 405 of 958

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Question number: 399

» Statistics & Probability

MCQ▾

Question

One card is drawn from a well-shuffled deck of 52 cards the probability of neither a Club nor a king is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 400

» Statistics & Probability

MCQ▾

Question

The mean of six numbers is 15. If one number is excluded, then their mean is 17, the excluded number is ________

Choices

Choice (4) Response

a.

7

b.

4

c.

1

d.

5

Question number: 401

» Coordinate Geometry

MCQ▾

Question

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

Choices

Choice (4) Response

a.

11

b.

6

c.

10

d.

12

Question number: 402

» Coordinate Geometry

MCQ▾

Question

Find the area of triangle if the coordinates of vertices are Equation is ________

Choices

Choice (4) Response

a.

3 sq. units

b.

5 sq. units

c.

9sq. units

d.

8sq. units.

Question number: 403

» Coordinate Geometry

MCQ▾

Question

Find the area of triangle if the coordinates of vertices are Equation is ________

Choices

Choice (4) Response

a.

3 sq. units

b.

5 sq. units

c.

4 sq. units

d.

7 sq. units

Question number: 404

» Statistics & Probability

MCQ▾

Question

Two dice are thrown at a time. The probability that the difference of the numbers shown on the dice is 2 is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 405

» Statistics & Probability

MCQ▾

Question

The mean of 20 observations is Equation . if each observation is multiplied by 2, then what is the new mean?

Choices

Choice (4) Response

a.

60

b.

30

c.

70

d.

50

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