# IMO Level 1- Mathematics Olympiad (SOF) Class 5: Questions 87 - 92 of 838

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## Question number: 87

Edit
MCQ▾

### Question

which of the following is true?

### Choices

Choice (4) Response

a.

b.

c.

Both a. and b. are correct

d.

None of the above

## Question number: 88

Edit
MCQ▾

### Question

LXXXI – LXXX = ________.

### Choices

Choice (4) Response

a.

1

b.

0

c.

10

d.

All of the above

## Question number: 89

Edit
MCQ▾

### Question

Given that 70 is the 2nd common multiple of 5 and A Star is Given in Image Find out the value of a star when it is 2nd common multiple of 70

. Find the smallest possible number for A Star is Givenin Image Find out the value of a star when it is 2nd common multiple of 70

### Choices

Choice (4) Response

a.

5

b.

9

c.

3

d.

7

## Question number: 90

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MCQ▾

### Question

Multiply the 3rd multiple of by the 9th multiple of 4. The answer is________.

### Choices

Choice (4) Response

a.

2

b.

27

c.

3

d.

4

## Question number: 91

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MCQ▾

### Question

Given that 18 is common multiple of Blue Circle is Given Which is a Common Multiple of 18 Find out the value of blue circle which is a common multiple of 18

and 3. Find the greatest possible number for Blue Circle is Given Which is a Common Multiple of 18 Find out the value of blue circle which is a common multiple of 18

### Choices

Choice (4) Response

a.

2

b.

10

c.

6

d.

9

## Question number: 92

Edit
MCQ▾

### Question

Given that 10 is common multiple of Blue Circle is Given Which is the Common Multiple of 10 Find out the value of blue circle which is the common multiple of 10

and 2. Find the greatest possible number for Blue Circle is Given Which is the Common Multiple of 10 Find out the value of blue circle which is the common multiple of 10

### Choices

Choice (4) Response

a.

9

b.

2

c.

5

d.

10