IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 554 - 563 of 1040

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Question number: 554

» Direct and Inverse Proportions

Edit
MCQ▾

Question

If A: B = 2: 3 and B: C = 3: 5, then C: A is equal to, ________.

Choices

Choice (4)Response

a.

5: 2

b.

2: 3

c.

5: 4

d.

4: 5

Question number: 555

» Exponents and Powers

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MCQ▾

Question

The value of

Choices

Choice (4)Response

a.

15

b.

16

c.

17

d.

11

Question number: 556

» Exponents and Powers

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MCQ▾

Question

The value of is________.

Choices

Choice (4)Response

a.

1

b.

4

c.

9

d.

5

Question number: 557

» Exponents and Powers

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MCQ▾

Question

The value of , is________.

Choices

Choice (4)Response

a.

3/4

b.

2

c.

4

d.

15/4

Question number: 558

» Exponents and Powers

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MCQ▾

Question

The value of is________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 559

» Exponents and Powers

Edit
MCQ▾

Question

If and , then equals

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 560

» Direct and Inverse Proportions

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MCQ▾

Question

0.9 of a number equals 0.03 of another number. The ratio of the number is________.

Choices

Choice (4)Response

a.

3: 20

b.

3: 10

c.

1: 30

d.

10: 3

Question number: 561

» Direct and Inverse Proportions

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MCQ▾

Question

For a group of 24 students food lasts for 35 days. For how many days will the same food last for 30 students?

Choices

Choice (4)Response

a.

20 days

b.

30 days

c.

28 days

d.

25 days

Question number: 562

» Direct and Inverse Proportions

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MCQ▾

Question

If 6 men take two hour to dig a ditch, how long should it take 16 men to dig a ditch of the same type?

Choices

Choice (4)Response

a.

35 min

b.

45 min

c.

53 min

d.

20 min

Question number: 563

» Exponents and Powers

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MCQ▾

Question

If , then the value of a is

Choices

Choice (4)Response

a.

4

b.

3

c.

2

d.

1

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