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

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Question 712

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Question

MCQ▾

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 713

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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

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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.

Above table shows number of students and their marks
Marks (class-interval)No. of students
30 - 4012
40 - 5013
50 - 6004
60 - 7015
70 - 8006

Question 715 (1 of 4 Based on Passage)

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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 716 (2 of 4 Based on Passage)

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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)

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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 718 (4 of 4 Based on Passage)

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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

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Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.