IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 712 - 719 of 1042

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Question 712

Question

MCQ▾

A 5-digit number xy 721 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 713

Question

MCQ▾

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

Choices

Choice (4)Response

a.

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

b.

8a + 2b + 1c is divisible by 8

c.

100b + 10c + d is divisible by 8

d.

1000a + 10b + 100c + d is divisible by 8

Question 714

Question

MCQ▾

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.

Using Given Data (Number of Students and Marks) Answer the Following Questions
Marks (class-interval)No. of students
30 - 4012
40 - 5013
50 - 6004
60 - 7015
70 - 8006

Question 715 (1 of 4 Based on Passage)

Question

MCQ▾

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 716 (2 of 4 Based on Passage)

Question

MCQ▾

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 717 (3 of 4 Based on Passage)

Question

MCQ▾

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 718 (4 of 4 Based on Passage)

Question

MCQ▾

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

Choices

Choice (4)Response

a.

25

b.

22

c.

20

d.

21

Question 719

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.