IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 171 - 178 of 1059

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Question 171

Question

MCQ▾

2592 is divisible by

Choices

Choice (4)Response

a.

8

b.

6

c.

3

d.

All a., b. and c. are correct

Question 172

Question

MCQ▾

The two numbers which have only 1 as their common factor are called

Choices

Choice (4)Response

a.

Twin primes

b.

Even numbers

c.

Composite

d.

Co-primes

Question 173

Question

MCQ▾

The co-prime numbers from the following pairs, is

Choices

Choice (4)Response

a.

27 and 81

b.

24 and 32

c.

45 and 16

d.

18 and 26

Question 174

Question

MCQ▾

Product of two integers is -96. If one of the integers is -8, then the other is

Choices

Choice (4)Response

a.

0

b.

15

c.

12

d.

- 14

Question 175

Question

MCQ▾

The smallest number which when divided by 4,16, 32 and 40 and leaves a remainder of 3,15, 31 and 39 respectively is

Choices

Choice (4)Response

a.

147

b.

239

c.

161

d.

159

Question 176

Question

MCQ▾

HCF of two co-prime numbers is

Choices

Choice (4)Response

a.

0

b.

2

c.

1

d.

Question does not provide sufficient data or is vague

Question 177

Question

MCQ▾

The integer which is 7 more than is

Choices

Choice (4)Response

a.

2

b.

4

c.

d.

16

Question 178

Question

MCQ▾

When a number is divided by seven, it has a remainder of 2. When it is divided by six, it has remainder of 3. What is the number?

Choices

Choice (4)Response

a.

38

b.

9

c.

16

d.

44