IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 704 - 711 of 1042

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Question 704

Question

MCQ▾

If a 3-digit number ‘abc’ is divisible by 11, then________.

Choices

Choice (4)Response

a.

is a multiple of 11

b.

is a multiple of 11

c.

is a multiple of 11

d.

is a multiple of 11

Question 705

Question

MCQ▾

A 3 digit number ‘cba’ is divisible by 9 if________.

Choices

Choice (4)Response

a.

2a + b + c is divisible by 9

b.

a + b + 2c is divisible by 9

c.

a + b + c is divisible by 9

d.

a + 2b + c is divisible by 9

Question 706

Question

MCQ▾

If is divisible by 9, where is a digit less than 5, then the value of is________.

Choices

Choice (4)Response

a.

0

b.

1

c.

2

d.

3

Question 707

Question

MCQ▾

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

Choices

Choice (4)Response

a.

0

b.

5

c.

1

d.

3

Question 708

Question

MCQ▾

If divided by 5 leaves a remainder of 4, and divided by 2 leaves a remainder of 1, then the one՚s digit of N is________.

Choices

Choice (4)Response

a.

9

b.

4

c.

7

d.

3

Question 709

Question

MCQ▾

If is divisible by 3, where y is a digit less than 5, then the values of y are________.

Choices

Choice (4)Response

a.

1

b.

2

c.

3

d.

0

Question 710

Question

MCQ▾

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

Choices

Choice (4)Response

a.

3

b.

4

c.

1

d.

5

Question 711

Question

MCQ▾

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

Choices

Choice (4)Response

a.

7

b.

5

c.

8

d.

2