Number Sense (IMO Level 2- Mathematics Olympiad (SOF) Class 3): Questions 1 - 6 of 38

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Question number: 1

» Number Sense

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Appeared in Year: 2012

MCQ▾

Question

The sum of first three common multiples of 3,4 and 6 ________.

Choices

Choice (4) Response

a.

58

b.

64

c.

72

d.

36

Question number: 2

» Number Sense

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Appeared in Year: 2013

MCQ▾

Question

How many hundreds need to be subtracted from 6981 to 481?

Choices

Choice (4) Response

a.

650

b.

500

c.

65

d.

64

Question number: 3

» Number Sense

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Appeared in Year: 2013

MCQ▾

Question

95 is ________ more than the product of 7 and 9.

Choices

Choice (4) Response

a.

49

b.

23

c.

32

d.

63

Question number: 4

» Number Sense

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Appeared in Year: 2013

MCQ▾

Question

Arrange the following in descending order.

(P) 5 thousands 5 hundred 0 tens 9 ones

(Q) 5 thousands 0 hundred 9 tens 5 ones

(R) 5 thousands 5 hundred 9 tens 0 ones

(S) 5 thousands 9 hundred 0 tens 5 ones

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Number Sense

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Appeared in Year: 2013

MCQ▾

Question

Find the difference between the largest possible number and smallest possible number from given digits.

Choices

Choice (4) Response

a.

6174

b.

6147

c.

7241

d.

1746

Question number: 6

» Number Sense

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Appeared in Year: 2013

MCQ▾

Question

Mr. Arora wrote a 3-digit number on the blackboard. Three students Jiya, Priya and Tiya said the following about that number:

Jiya: “It is a 3-digit number but not the least”.

Priya: “It is less than the predecessor of greatest 3-digit number”.

Tiya: “It is having two common digits”.

Choices

Choice (4) Response

a.

789

b.

229

c.

565

d.

828

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