IMO- Mathematics Olympiad Class 8: Questions 739 - 746 of 1029

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Question number: 739

» Playing With Numbers

MCQ▾

Question

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

Choices

Choice (4) Response

a.

3

b.

1

c.

7

d.

5

Question number: 740

» Data Handling

MCQ▾

Question

What is the probability of getting a sum 9 from two throws of a dice?

Choices

Choice (4) Response

a.

Equation

b.

2

c.

Equation

d.

Equation

Question number: 741

» Playing With Numbers

MCQ▾

Question

The number Equation is divisible by 11 for________.

Choices

Choice (4) Response

a.

Even value of n

b.

For all Naturals numbers

c.

Odd value of n

d.

None of the above

Question number: 742

» Playing With Numbers

MCQ▾

Question

213456 is divisible by________.

Choices

Choice (4) Response

a.

2

b.

7

c.

5

d.

Question does not provide sufficient data or is vague

Question number: 743

» Playing With Numbers

MCQ▾

Question

The least value of x so that 517x324 is divisible by 3 is________.

Choices

Choice (4) Response

a.

4

b.

2

c.

3

d.

5

Question number: 744

» Playing With Numbers

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation is a multiple of 4

b.

Equation is a multiple of 4

c.

Equation is a multiple of 4

d.

Equation is a multiple of 4

Question number: 745

» Playing With Numbers

MCQ▾

Question

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

Choices

Choice (4) Response

a.

3715

b.

3701

c.

3703

d.

3700

Question number: 746

» Playing With Numbers

MCQ▾

Question

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

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