IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 244 - 251 of 1059

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Question number: 244

» Number Systems

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MCQ▾

Question

Which of the following set of numbers will make the number sentence true?

________ ________ ________ = 61

Choices

Choice (4) Response

a.

(7,9, 2)

b.

(5,10,8)

c.

(9,6, 4)

d.

(7,9, 8)

Question number: 245

» Playing with Numbers

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MCQ▾

Question

is divisible by

Choices

Choice (4) Response

a.

3

b.

9

c.

3 & 9

d.

7

Question number: 246

» Playing with Numbers

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MCQ▾

Question

The least number which when increased by 11 is exactly divisible by 11 is

Choices

Choice (4) Response

a.

43

b.

22

c.

63

d.

32

Question number: 247

» Number Systems

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

Negative

b.

0

c.

Positive

d.

None of the above

Question number: 248

» Playing with Numbers

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MCQ▾

Question

The reciprocal of prime number that is placed at third before prime number 23 is

Choices

Choice (4) Response

a.

0

b.

1

c.

2

d.

Question number: 249

» Number Systems

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MCQ▾

Question

Find the sum of the given expression.

Choices

Choice (4) Response

a.

40

b.

- 292

c.

- 21

d.

315

Question number: 250

» Playing with Numbers

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MCQ▾

Question

Two tankers contain 760 liters and 570 liters of chemicals respectively, then the maximum capacity of a container which can measure the chemical out of both the tankers when used an exact number of times is ________.

Choices

Choice (4) Response

a.

180 liters

b.

190 liters

c.

175 liters

d.

220 liters

Question number: 251

» Playing with Numbers

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MCQ▾

Question

The least number which when decreased by 9 is exactly divisible by 12,16,24 and 48 is

Choices

Choice (4) Response

a.

16

b.

48

c.

39

d.

57