IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 619 - 624 of 929

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Question number: 619

» Introduction to Euclid's Geometry

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MCQ▾

Question

In the figure , and , if , what is the length of ?

With the given values find length of RS

With the Given Values Find Length of RS

With the given values find length of RS

Choices

Choice (4) Response

a.

1

b.

4

c.

2

d.

3

Question number: 620

» Statistics and Probability

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MCQ▾

Question

Two dice are thrown simultaneously. The probability of getting a multiple of 2 on one die and a multiple of 3 on the other is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 621

» Everyday Mathematics

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MCQ▾

Question

The age of Sandhya’s father is 5 times of his age. If 6 years ago, father’s age was 8 times of the age of his son at that time. What is Sandhya’s father present age?

Choices

Choice (4) Response

a.

56 years

b.

70 years

c.

75 years

d.

41 years

Question number: 622

» Coordinate Geometry

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MCQ▾

Question

Give the equations of two lines passing through . How many more such lines are there?

Choices

Choice (4) Response

a.

Infinitely many

b.

Exactly Two

c.

Only one

d.

Exactly three

Question number: 623

» Statistics and Probability

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MCQ▾

Question

The following observations have been arranged in the ascending order. If the median of the data 13,26,32,37, x + 2, x + 4,62,68,74,85 is 43, then the value of x is ________

Choices

Choice (4) Response

a.

40

b.

42

c.

44

d.

46

Question number: 624

» Statistics and Probability

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MCQ▾

Question

The probability of guessing the correct answer to a certain test question is . If the probability of not guessing the correct answer to this question is , then x = ________

Choices

Choice (4) Response

a.

2

b.

c.

3

d.