Number Systems (IMO- Mathematics Olympiad Class 6): Questions 52 - 57 of 84

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Question number: 52

» Number Systems

MCQ▾

Question

Product of two integer is 108 If one of the integers is 12 , then the other is

Choices

Choice (4) Response

a.

19

b.

1

c.

0

d.

-9

Question number: 53

» Number Systems

MCQ▾

Question

The expression 5+(a+6) is equivalent to (5+a)+6 , uses the ________ property.

Choices

Choice (4) Response

a.

Associative

b.

Closure

c.

Identity

d.

Commutative

Question number: 54

» Number Systems

MCQ▾

Question

Multiply the unit’s place of the number obtained by reversing the digits of the number 78923 with the hundred’s place of the number obtained by interchanging the digits in the unit’s place and the thousand’s place of the same number, we get________.

Choices

Choice (4) Response

a.

54

b.

64

c.

16

d.

63

Question number: 55

» Number Systems

MCQ▾

Question

Subtract the number obtained by reversing the digits of the number 20198 from the number obtained by interchanging the digits in the unit’s place and the hundred’s place of the same number, we get________.

Choices

Choice (4) Response

a.

77121

b.

- 68229

c.

68004

d.

- 68211

Question number: 56

» Number Systems

MCQ▾

Question

Find the sum of the given expression.

(87)(23)+19+(135)(245)+320+(65)

Choices

Choice (4) Response

a.

55

b.

- 100

c.

- 90

d.

100

Question number: 57

» Number Systems

MCQ▾

Question

Multiplying a negative integer for even number of times gives a ________ result.

Choices

Choice (4) Response

a.

0

b.

Negative

c.

Positive

d.

None of the above

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