IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 704 - 711 of 1042

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Question 704

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Question

MCQ▾

If a 3-digit number ‘abc’ is divisible by 11, then________.

Choices

Choice (4)Response
a. is a multiple of 11
b. is a multiple of 11
c. is a multiple of 11
d. is a multiple of 11

Question 705

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Question

MCQ▾

A 3 digit number ‘cba’ is divisible by 9 if________.

Choices

Choice (4)Response
a.2a + b + c is divisible by 9
b.a + b + 2c is divisible by 9
c.a + b + c is divisible by 9
d.a + 2b + c is divisible by 9

Question 706

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Question

MCQ▾

If is divisible by 9, where is a digit less than 5, then the value of is________.

Choices

Choice (4)Response
a.0
b.1
c.2
d.3

Question 707

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Question

MCQ▾

If and there is no carry on addition, then the value of B is________.

Choices

Choice (4)Response
a.0
b.5
c.1
d.3

Question 708

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Question

MCQ▾

If divided by 5 leaves a remainder of 4, and divided by 2 leaves a remainder of 1, then the one’s digit of N is________.

Choices

Choice (4)Response
a.9
b.4
c.7
d.3

Question 709

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Question

MCQ▾

If is divisible by 3, where x is a digit less than 5, then the values of x are________.

Choices

Choice (4)Response
a.1
b.2
c.3
d.0

Question 710

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Question

MCQ▾

If and there is no carry on addition, then the value of B is________.

Choices

Choice (4)Response
a.3
b.4
c.1
d.5

Question 711

Edit

Question

MCQ▾

The difference of the squares of two consecutive odd integer is divisible by which of the following integers?

Choices

Choice (4)Response
a.7
b.5
c.8
d.2