# IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 682 - 689 of 968

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## Question number: 682

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MCQ▾

### Question

Study the following arrangement carefully

How many such numbers are there in the above arrangement each of which is immediately preceded by a consonant and immediately followed by a symbol?

### Choices

Choice (4)Response

a.

Three

b.

Two

c.

One

d.

None of the above

## Question number: 683

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MCQ▾

### Question

Which of the four is least like the other three?

### Choices

Choice (4)Response

a.

Sun

b.

Pluto

c.

Mercury

d.

Saturn

## Question number: 684

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MCQ▾

If and then

### Choices

Choice (4)Response

a.

2550

b.

7534

c.

4357

d.

5743

## Question number: 685

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MCQ▾

### Question

stands for division, stands for multiplication, stands for subtraction and stands for addition. Which one of the following equations is correct?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 686

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MCQ▾

### Question

Find the missing number.

### Choices

Choice (4)Response

a.

20

b.

26

c.

52

d.

16

## Question number: 687

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MCQ▾

### Question

All the faces of a cube are painted with Orange colour. Then it is cut into 343 small equal cubes. How many small cubes will be formed having no face coloured?

### Choices

Choice (4)Response

a.

168

b.

165

c.

166

d.

167

## Question number: 688

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MCQ▾

### Question

How many 7’s are there in the following series which are not immediately followed by 3 but immediately preceded by 8?

### Choices

Choice (4)Response

a.

2

b.

4

c.

1

d.

3

## Question number: 689

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MCQ▾

### Question

Samayra was both 13th highest and 13th lowest in a spelling contest. How many people were in the contest?

### Choices

Choice (4)Response

a.

13

b.

25

c.

27

d.

26

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