IMO- Mathematics Olympiad (SOF) Class 8: Questions 749 - 756 of 1029

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Question number: 749

» Playing With Numbers

MCQ▾

Question

If a 5-digit number ‘abcde’ is divisible by 8, then________.

Choices

Choice (4) Response

a.

is a multiple of 8

b.

is a multiple of 8

c.

is a multiple of 8

d.

is a multiple of 8

Question number: 750

» Playing With Numbers

MCQ▾

Question

If , where A and B are single digit number such that, then the values of A and B are________.

Choices

Choice (4) Response

a.

4,5

b.

5,4

c.

6,9

d.

9,6

Question number: 751

» Playing With Numbers

MCQ▾

Question

If divided by 13 leaves a remainder of 11, and divided by 17 leaves a remainder of 9, then the one’s digit of N is________.

Choices

Choice (4) Response

a.

3

b.

7

c.

4

d.

9

Question number: 752

» Data Handling

MCQ▾

Question

A tetrahedron has 4 Faces, 6 Edges then the number of vertices (using Euler’s formula) is________.

Choices

Choice (4) Response

a.

2

b.

1

c.

3

d.

4

Question number: 753

» Data Handling

MCQ▾

Question

The number of students watched TV for more than 7 hours is________.

Choices

Choice (4) Response

a.

2

b.

5

c.

6

d.

None of the above

Question number: 754

» Playing With Numbers

True-False▾

Following Statement is true or false:

A number is divisible by 5 when last digit of a number is 0 or 1. This statement is ________.

Question number: 755

» Playing With Numbers

MCQ▾

Question

A 5-digit number xy978 is divisible by 9 such that x + y < 5, where x and y are digits, then possible values of (x, y) are________.

Choices

Choice (4) Response

a.

(1,2), (3,0) and (2,1)

b.

(1,2), (0,3) and (2,1)

c.

(2,1), (0,3) and (1,2)

d.

None of the above

Question number: 756

» Playing With Numbers

MCQ▾

Question

If is divided by 5 leaves a remainder of 1, then one’s digit of must be________.

Choices

Choice (4) Response

a.

Either 1 or 2

b.

Either 4 or 5

c.

Either 1 or 4

d.

All of the above

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