IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 751 - 757 of 1042

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Question 751

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Question

MCQ▾

If divided by 13 leaves a remainder of 11, and divided by 17 leaves a remainder of 9, then the one’s digit of N can be ________.

Choices

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

Question 752

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Question

MCQ▾

A tetrahedron has 4 Faces, 6 Edges then the number of vertices (using Euler’s formula) is________.

Choices

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

Question 753

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Question

MCQ▾

The number of students watched TV for more than 7 hours is________.

Choices

Choice (4)Response
a.6
b.2
c.5
d.None of the above

Question 754

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Question

MCQ▾

A 5-digit number xy978 is divisible by 9 such that x + y < 5, where x and y are digits, then possible values of (x, y) are________.

Choices

Choice (4)Response
a.(2,1), (0,3) and (1,2)
b.(1,2), (0,3) and (2,1)
c.(1,2), (3,0) and (2,1)
d.None of the above

Question 755

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Question

MCQ▾

If is divided by 5 leaves a remainder of 1, then one’s digit of must be________.

Choices

Choice (4)Response
a.Either 1 or 2
b.Either 1 or 6
c.Either 4 or 5
d.Question does not provide sufficient data or is vague

Question 756

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Question

MCQ▾

21436587 is divisible by________.

Choices

Choice (4)Response
a.9
b.7
c.2
d.5

Question 757

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Question

MCQ▾

68790 is divisible by________.

Choices

Choice (4)Response
a.4
b.3
c.5
d.Both b. and c. are correct