# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 710 - 718 of 1040

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## Question number: 710

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MCQ▾

### Question

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 number: 711

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MCQ▾

### Question

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

## Question number: 712

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MCQ▾

### Question

A 5-digit number xy721 is divisible by 3 such that x + y < 5, where x and y are digits, then possible values of (x, y) are________.

### Choices

Choice (4) Response

a.

(1,1), (0,2)

b.

(1,2), (2,0)

c.

(0,2), (2,0)

d.

(1,1), (2,0)

## Question number: 713

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MCQ▾

### Question

A 4 digit number ‘abcd’ is divisible by 8 if________.

### Choices

Choice (4) Response

a.

a + 2b + c + d is divisible by 8

b.

a + b + c is divisible by 8

c.

b + c + d is divisible by 8

d.

a + b + c + d is divisible by 8

## Question number: 714

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MCQ▾

### Question

If a number has unit digit any of 0,2, 4,6, 8. Then it is divisible by________.

### Choices

Choice (4) Response

a.

2

b.

9

c.

5

d.

3

## Passage

Number of students and their marks are given in below table. Answer the following questions.

 Marks (class-interval) No. of students 30 - 40 12 40 - 50 13 50 - 60 04 60 - 70 15 70 - 80 06

## Question number: 715 (1 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

The number of students got 50 or more than 50 marks is________.

### Choices

Choice (4) Response

a.

20

b.

25

c.

22

d.

21

## Question number: 716 (2 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

The number of students got 40 or more than 40 marks is________.

### Choices

Choice (4) Response

a.

35

b.

28

c.

30

d.

38

## Question number: 717 (3 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

The number of students got 70 or more than 70 marks is________.

### Choices

Choice (4) Response

a.

2

b.

1

c.

5

d.

6

## Question number: 718 (4 of 4 Based on Passage) Show Passage

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MCQ▾

### Question

The number of students got 60 or more than 60 marks is________.

### Choices

Choice (4) Response

a.

25

b.

22

c.

20

d.

21