IMO- Mathematics Olympiad (SOF) Class 9: Questions 579 - 584 of 918

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Question number: 579

» Linear Equations in Two Variables

MCQ▾

Question

If , then values of x are________

Choices

Choice (4) Response

a.

x=-1 and x=-3

b.

x = 1 and x = 5

c.

x = 5 and x=-1

d.

x = 2 and x = 3

Question number: 580

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

Group the given figures into three classes using each figure only once.

The different shape available in this image and find the group

The Different Shape Available in this Image and Find the Group

Given the different shape available in this image find the group the given figures into three classes of 9 images

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 581

» Statistics and Probability

MCQ▾

Question

In a class test, in English, 25 students scored 70 marks, 40 students scored 65 marks and 35 scored 50 marks. The mean of their score is (approximately) ________

Choices

Choice (4) Response

a.

65 marks

b.

29 marks

c.

45 marks

d.

61 marks

Question number: 582

» Statistics and Probability

MCQ▾

Question

The average of 20 numbers is calculated as 30. It is discovered later on that while calculating the average one number, namely 40 was wrongly read as 20. The correct average is________

Choices

Choice (4) Response

a.

26

b.

31

c.

28

d.

25

Question number: 583

» Linear Equations in Two Variables

MCQ▾

Question

The solution of the equation and is________

Choices

Choice (4) Response

a.

x = 6, y = 1

b.

x = 4, y = 1

c.

x = 5, y = 2

d.

x = 6, y = 2

Question number: 584

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

If the positions of the third and tenth letters of the word DOCUMENTATION are interchanged, and likewise the positions of the fourth and seventh letters, the second and sixth letters are also interchanged, then which of the following will be eleventh letter from the right end?

Choices

Choice (4) Response

a.

T

b.

U

c.

N

d.

I

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