IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 744 - 750 of 1042

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Question 744

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Question

MCQ▾

If a 3-digit number ‘abc’ is divisible by 4, then________.

Choices

Choice (4)Response
a. is an integer
b. is an integer
c. is an integer
d. is an integer

Question 745

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Question

MCQ▾

When a certain number is multiplied by 12, the product consists entirely of fours. The smallest such number is________.

Choices

Choice (4)Response
a.377
b.37
c.39
d.373

Question 746

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Question

MCQ▾

A 3 digit number ‘abc’ is divisible by 3 if________.

Choices

Choice (4)Response
a.a + b + c is divisible by 3
b.a + b + 2c is divisible by 9
c.2a + b + c is divisible by 9
d.a + 2b + c is divisible by 9

Question 747

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Question

MCQ▾

The least value of x so that 48176 × 3 is divisible by 9 is________.

Choices

Choice (4)Response
a.9
b.5
c.11
d.7

Question 748

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Question

MCQ▾

The least value must be given to x so that the number 6148 × 2 is divisible by 8 is________.

Choices

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

Question 749

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Question

MCQ▾

If a 5-digit number ‘abcde’ is divisible by 8, then________.

Choices

Choice (4)Response
a. is an integer
b. is an integer
c. is an integer
d. is an integer

Question 750

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Question

MCQ▾

If , where A and B are single digit number such that, then the values of A and B are________.

Choices

Choice (4)Response
a.4,5
b.5,4
c.6,9
d.9,6