IMO- Mathematics Olympiad Class 8: Questions 719 - 727 of 1029

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Question number: 719

» Data Handling

MCQ▾

Question

An unbiased die is tossed. Find the probability of getting a multiple of 3.

Choices

Choice (4) Response

a.

12

b.

17

c.

13

d.

15

Question number: 720

» Data Handling

MCQ▾

Question

A die is thrown. The probability that the number comes up odd is________.

Choices

Choice (4) Response

a.

12

b.

72

c.

32

d.

52

Question number: 721

» Data Handling

MCQ▾

Question

Three unbiased coins are tossed. What is the probability of getting at most two heads?

Choices

Choice (4) Response

a.

38

b.

78

c.

18

d.

58

Question number: 722

» Playing With Numbers

MCQ▾

Question

The number which is divisible by 5 is________.

Choices

Choice (4) Response

a.

12345

b.

24675

c.

21300

d.

All a. , b. and c. are correct

Question number: 723

» Data Handling

MCQ▾

Question

(3, 0) lies on________.

Choices

Choice (4) Response

a.

Positive y axis

b.

Positive x axis

c.

Negative y axis

d.

Negative x axis

Question number: 724

» Data Handling

MCQ▾

Question

The number which is exactly divisible by 99 is________.

Choices

Choice (4) Response

a.

33210

b.

25176

c.

8217

d.

All of the above

Question number: 725

» Playing With Numbers

MCQ▾

Question

Find the least value of x for which 7x5462 is divisible by 9.

Choices

Choice (4) Response

a.

5

b.

3

c.

2

d.

4

Question number: 726

» Playing With Numbers

MCQ▾

Question

When a certain number is multiplied by 13, the product consists entirely of fives. The smallest such number is________.

Choices

Choice (4) Response

a.

4273

b.

4271

c.

4275

d.

4256

Question number: 727

» Playing With Numbers

MCQ▾

Question

If N is divided by 5 leaves a remainder of 4, then one’s digit of N must be________.

Choices

Choice (4) Response

a.

Either 9 or 4

b.

Either 1 or 4

c.

Either 5 or 4

d.

All of the above

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