IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 559 - 566 of 931

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Passage

Cards marked with the number 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this box. Find the probability that the number on the card is

Question 559 (1 of 3 Based on Passage)

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Question

MCQ▾

A prime number less than 20.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 560 (2 of 3 Based on Passage)

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MCQ▾

A number less than 14

Choices

Choice (4)Response
a.
b.
c.
d.

Question 561 (3 of 3 Based on Passage)

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MCQ▾

A number which is a perfect square

Choices

Choice (4)Response
a.
b.
c.
d.

Question 562

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Question

MCQ▾

In the given matrix the values of A, B and C respectively are ________.

Given the matrix values – Find A, B and C

Given the Matrix Values – Find a, B and C

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Choices

Choice (4)Response
a.
b.
c.
d.

Question 563

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MCQ▾

The average of eleven-members cricket team reduces by 2 when two players of ages 30 and 32 leave the team and two new players of equal age join it. The age of each of the newcomers is________.

Choices

Choice (4)Response
a.22
b.12
c.62
d.20

Question 564

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MCQ▾

The mean of ten items is x and if each item is increased by 4, then its mean will be ________

Choices

Choice (4)Response
a.
b.
c.
d.

Question 565

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Question

MCQ▾

Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this bag. The probability that the number on the card is a prime less than 20 is ________

Choices

Choice (4)Response
a.
b.
c.
d.

Question 566

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Question

MCQ▾

Hussain’s weight is times more than the weight of Rahim. Their total weight is 90 kg. what is Hussain’s weight?

Choices

Choice (4)Response
a.40 kg
b.50 kg
c.90 kg
d.20 kg