IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 220 - 225 of 1059

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Question 220

Question

MCQ▾

Two tankers contain 850 liters and 680 liters of kerosene oil respectively, then the maximum capacity of a container which can measure the kerosene out of both the tankers when used an exact number of times is ________.

Choices

Choice (4)Response

a.

34 liters

b.

85 liters

c.

170 liters

d.

10 liters

Question 221

Question

MCQ▾

The two numbers smaller than 4000 which are exactly divisible by each of 2, 3,4, 5,6 and 8 is

Choices

Choice (4)Response

a.

3920,4140

b.

2720,4320

c.

3720,2880

d.

4020,3810

Question 222

Question

MCQ▾

If a, b and c are whole numbers such that b > a and c 0 and c > 3, then

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question 223

Question

MCQ▾

The two numbers nearest to 10000 which are exactly divisible by each of 2, 3,4, 5,6 and 7 is

Choices

Choice (4)Response

a.

10340,10080

b.

9669,10080

c.

9660,10080

d.

9320,10080

Question 224

Question

MCQ▾

The two consecutive prime numbers with difference 2 are called ________.

Choices

Choice (4)Response

a.

Composite

b.

Even

c.

Twin primes

d.

Co-primes

Question 225

Question

MCQ▾

If are two whole numbers, then commutative law is applicable to multiplication if

Choices

Choice (4)Response

a.

AND

b.

c.

d.

All a., b. and c. are correct