IMO- Mathematics Olympiad (SOF) Class 8: Questions 682 - 689 of 1030

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Question number: 682

» Playing with Numbers

MCQ▾

Question

On dividing 12401 by a certain number, we get 76 as quotient and 13 as remainder. What is the divisor?

Choices

Choice (4) Response

a.

160

b.

166

c.

165

d.

163

Question number: 683

» Playing with Numbers

MCQ▾

Question

14321 is divisible by________.

Choices

Choice (4) Response

a.

3

b.

4

c.

9

d.

None of the above

Question number: 684

» Playing with Numbers

MCQ▾

Question

On dividing 6740 by a certain number, we get 56 as quotient and 20 as remainder. What is the divisor?

Choices

Choice (4) Response

a.

126

b.

125

c.

120

d.

121

Question number: 685

» Playing with Numbers

MCQ▾

Question

The largest natural number by which the product of three consecutive even natural numbers is always divisible is________.

Choices

Choice (4) Response

a.

96

b.

28

c.

48

d.

18

Question number: 686

» Playing with Numbers

MCQ▾

Question

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.

4,4

c.

5,5

d.

None of the above

Question number: 687

» Playing with Numbers

MCQ▾

Question

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

Choices

Choice (4) Response

a.

4,5

b.

5,4

c.

6,9

d.

9,6

Question number: 688

» Data Handling

MCQ▾

Question

Euler’s formula for any polyhedron, where F is the number of faces, V stands for number of vertices and E stands for number of edges is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 689

» Playing with Numbers

MCQ▾

Question

The least value must be given to x so that the number 3128 × 4 is divisible by 8 is________.

Choices

Choice (4) Response

a.

1

b.

3

c.

4

d.

2

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