IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 203 - 208 of 1059

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Question number: 203

» Number Systems

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MCQ▾

Question

John’s monthly salary is Rs. 12000. He spends Rs. 1450 for his son’s education, Rs. 550 for purchasing clothes, Rs. 450 for purchasing vegetables, milk, etc. , Rs. 1500 for purchasing medicine and pays a rent of Rs. 5000 in a particular month. How much does he save in this month?

Choices

Choice (4) Response

a.

Rs. 4255

b.

Rs. 3165

c.

Rs. 3050

d.

Rs. 4960

Question number: 204

» Playing with Numbers

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Question

The number (11,23) are

Choices

Choice (4) Response

a.

Prime and co-prime

b.

Co-prime numbers

c.

Prime numbers

d.

Question does not provide sufficient data or is vague

Question number: 205

» Number Systems

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Question

Find the sum of the given expression.

Choices

Choice (4) Response

a.

- 89

b.

48

c.

35

d.

- 35

Question number: 206

» Playing with Numbers

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Question

The least number of square tiles that will be needed to cover a room of 165 m by 45 m is

Choices

Choice (4) Response

a.

23 tiles

b.

33 tiles

c.

41 tiles

d.

37 tile

Question number: 207

» Number Systems

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Question

Subtract the number obtained by reversing the digits of the number 65302 from the number obtained by interchanging the digits in the ten’s place and the hundred’s place of the same number, we get________.

Choices

Choice (4) Response

a.

95388

b.

-64746

c.

76446

d.

44676

Question number: 208

» Number Systems

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Question

Which one is correct?

Choices

Choice (4) Response

a.

b.

c.

d.