IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 767 - 774 of 1042

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Question 767

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Question

MCQ▾

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

Choices

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

Question 768

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Question

MCQ▾

A cube has 6 Faces, 8 Vertices then the number of edges (using Euler’s formula) is________.

Choices

Choice (4)Response
a.12
b.14
c.31
d.11

Question 769

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Question

MCQ▾

An unbiased die is tossed. Find the probability of getting a multiple of 2.

Choices

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

Question 770

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Question

MCQ▾

If is divided by 6 leaves a remainder of 3, then one’s digit of must be________.

Choices

Choice (4)Response
a.9,5, 1,7, 3
b.6,2, 8,4, 0
c.1,2, 3,4, 5
d.None of the above

Question 771

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Question

MCQ▾

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

Choices

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

Question 772

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Question

MCQ▾

Sum of the digit is divisible by 3 then the number is divisible by________.

Choices

Choice (4)Response
a.3
b.2
c.7
d.5

Question 773

Edit

Question

MCQ▾

If the 3-digit number 25x is divisible by 5, then the value of x (x < 1) is________.

Choices

Choice (4)Response
a.4
b.2
c.0
d.5

Question 774

Edit

Question

MCQ▾

The number which is divisible by 8 is________.

Choices

Choice (4)Response
a.12345
b.15816
c.34568
d.Both b. and c. are correct