Number Systems (IMO- Mathematics Olympiad Class 6): Questions 69 - 75 of 84

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Question number: 69

» Number Systems

MCQ▾

Question

If a, b and c are whole numbers such that b > a and c 0 and c > 3, then

Choices

Choice (4) Response
a.

a×c<b×c

b.

a×c>b×c

c.

a×c=b×c

d. None of the above

Question number: 70

» Number Systems

MCQ▾

Question

If a&b are two whole numbers, then commutative law is applicable to multiplication if

Choices

Choice (4) Response
a.

ab

b.

a>b

c.

a=b

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

Question number: 71

» Number Systems

MCQ▾

Question

If a, b and c are whole numbers such that a > b and c 0 and c > 0, then

Choices

Choice (4) Response
a.

a×c<b×c

b.

a×c>b×c

c.

a×c=b×c

d. Question does not provide sufficient data or is vague

Question number: 72

» Number Systems

MCQ▾

Question

Difference between the face value of 3 & 5 in 134, 890 and 215, 648 is

Choices

Choice (4) Response
a.

25, 000

b.

8

c.

2

d.

29, 242

Question number: 73

» Number Systems

MCQ▾

Question

Product of two integer is 56 If one of the integers is 7 , then the other is

Choices

Choice (4) Response
a.

0

b.

8

c.

1

d.

28

Question number: 74

» Number Systems

MCQ▾

Question

The integer which is 5 less than (12(25)) is

Choices

Choice (4) Response
a.

8

b.

9

c.

13

d.

- 15

Question number: 75

» Number Systems

MCQ▾

Question

The expression 9(a+b) is equivalent to 9a+9b , uses the ________ property.

Choices

Choice (4) Response
a.

Closure

b.

Distributive

c.

Identity

d.

Commutative

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