IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 248 - 254 of 1059

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Question 248

Question

MCQ▾

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 249

Question

MCQ▾

Find the sum of the given expression.

Choices

Choice (4)Response

a.

40

b.

- 292

c.

- 21

d.

315

Question 250

Question

MCQ▾

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 251

Question

MCQ▾

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

Question 252

Question

MCQ▾

Find the smallest number which will divide the smallest 3-digit number and the smallest 4-digit number exactly.

Choices

Choice (4)Response

a.

2

b.

4

c.

5

d.

10

Question 253

Question

MCQ▾

Which of the following is a perfect cube?

Choices

Choice (4)Response

a.

125

b.

64

c.

8

d.

All a., b. and c. are correct

Question 254

Question

MCQ▾

The numbers which are not multiplies of 2 are called________.

Choices

Choice (4)Response

a.

Prime

b.

Even

c.

Odd

d.

Composite