IMO- Mathematics Olympiad Class 6: Questions 170 - 177 of 1049

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Question number: 170

» Playing With Numbers

MCQ▾

Question

A, M, T, I represent different non-zero digits, It is given that A + M + T + I – 11

A + M + I – 10

A + M – 1

Further in the following addition only one digit is given.

Image showing the addition

Image Showing the Addition

Showing the A, M, T, I represent different non-zero digits

The sum will be?

Choices

Choice (4) Response
a.

Sum is 35725734

b.

Sum is 35725792

c.

Sum is 34425792

d.

Sum is 35722292

Question number: 171

» Playing With Numbers

MCQ▾

Question

2592 is divisible by

Choices

Choice (4) Response
a.

6

b.

8

c.

3

d. All a. , b. and c. are correct

Question number: 172

» Playing With Numbers

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Twin primes

b.

Co-primes

c.

Composite

d.

Even numbers

Question number: 173

» Playing With Numbers

MCQ▾

Question

The co-prime numbers from the following pairs, is

Choices

Choice (4) Response
a.

27 and 81

b.

18 and 26

c.

45 and 16

d.

24 and 32

Question number: 174

» Number Systems

MCQ▾

Question

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

Choices

Choice (4) Response
a.

12

b.

- 14

c.

0

d.

15

Question number: 175

» Playing With Numbers

MCQ▾

Question

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.

161

b.

159

c.

147

d.

239

Question number: 176

» Playing With Numbers

MCQ▾

Question

HCF of two co-prime numbers is

Choices

Choice (4) Response
a.

0

b.

1

c.

2

d. None of the above

Question number: 177

» Number Systems

MCQ▾

Question

The integer which is 7 more than [(6)(3)] is

Choices

Choice (4) Response
a.

2

b.

4

c.

4

d.

16

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