IMO- Mathematics Olympiad (SOF) Class 6: Questions 244 - 251 of 1049

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Question number: 244

» Number Systems

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

MCQ▾

Question

is divisible by

Choices

Choice (4) Response

a.

3 & 9

b.

9

c.

7

d.

3

Question number: 246

» Playing With Numbers

MCQ▾

Question

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

Choices

Choice (4) Response

a.

43

b.

63

c.

32

d.

22

Question number: 247

» Number Systems

MCQ▾

Question

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

Choices

Choice (4) Response

a.

0

b.

Positive

c.

Negative

d.

Question does not provide sufficient data or is vague

Question number: 248

» Playing With Numbers

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

2

c.

1

d.

0

Question number: 249

» Number Systems

MCQ▾

Question

Find the sum of the given expression.

Choices

Choice (4) Response

a.

- 21

b.

- 292

c.

315

d.

40

Question number: 250

» Playing With Numbers

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.

220 liters

b.

175 liters

c.

190 liters

d.

180 liters

Question number: 251

» Playing With Numbers

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.

48

b.

57

c.

39

d.

16

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