Number Systems (IMO- Mathematics Olympiad Class 6): Questions 39 - 44 of 84

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Question number: 39

» Number Systems

MCQ▾

Question

Add the number obtained by reversing the digits of the number 59371 to 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.

68774

b.

86447

c.

- 68774

d.

67784

Question number: 40

» Number Systems

MCQ▾

Question

If negative sign precedes a bracket the sign of the terms inside the bracket will ________ when the bracket is removed.

Choices

Choice (4) Response

a.

Change

b.

Not change

c.

Be 0

d.

Depends on the bracket

Question number: 41

» Number Systems

MCQ▾

Question

Which sign will come in the ________ to make the expression true?

(45)(32)______(23)(28)

Choices

Choice (4) Response

a.

>

b.

=

c.

<

d.

None of the above

Question number: 42

» Number Systems

MCQ▾

Question

Product of two integer is 72 If one of the integers is 2 , then the other is

Choices

Choice (4) Response

a.

24

b.

12

c.

36

d.

6

Question number: 43

» Number Systems

MCQ▾

Question

There are 378 Mangoes in a basket. A girl takes out 7 Mango from it and replaces them by 15 orange. She continues to do so, till all Mangoes are replaced by Orange. Find the number of orange put in the basket?

Choices

Choice (4) Response

a.

460

b.

480

c.

810

d.

850

Question number: 44

» Number Systems

MCQ▾

Question

Multiplying three negative integers with a positive integer gives a ________ result.

Choices

Choice (4) Response

a.

Negative

b.

Positive

c.

0

d.

None of the above

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