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

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Question number: 710

» Playing with Numbers

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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

» Playing with Numbers

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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

» Playing with Numbers

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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

» Playing with Numbers

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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

» Playing with Numbers

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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.

Above table shows number of students and their marks

Using given data (number of students and marks) 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

» Data Handling

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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

» Data Handling

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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

» Data Handling

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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

» Data Handling

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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