IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 600 - 608 of 1040

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Question number: 600

» Exponents and Powers

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MCQ▾

Question

If , then the value of a is

Choices

Choice (4) Response

a.

4

b.

1

c.

0

d.

2

Question number: 601

» Direct and Inverse Proportions

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MCQ▾

Question

The ratio which bears to is________.

Choices

Choice (4) Response

a.

2.00

b.

1.00

c.

2.63

d.

1.04

Question number: 602

» Direct and Inverse Proportions

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MCQ▾

Question

A can do a work in 7 days. If B is 75 % more efficient than A, then in how many days can B do the same work?

Choices

Choice (4) Response

a.

3

b.

5

c.

3.5

d.

4

Question number: 603

» Exponents and Powers

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MCQ▾

Question

If and , then is equal to________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 604

» Direct and Inverse Proportions

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MCQ▾

Question

0.5 of a number equals 0.15 of another number. The ratio of the number is________.

Choices

Choice (4) Response

a.

2: 3

b.

10: 3

c.

3: 2

d.

3: 10

Question number: 605

» Exponents and Powers

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MCQ▾

Question

The solution of , is________.

Choices

Choice (4) Response

a.

3

b.

2

c.

1

d.

4

Question number: 606

» Exponents and Powers

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MCQ▾

Question

If and , then equals

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 607

» Direct and Inverse Proportions

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MCQ▾

Question

A sum of money is sufficient to pay wages for 31 days and wages for 38 days. The same money is sufficient to pay the wages of both for ________.

Choices

Choice (4) Response

a.

11 days

b.

10 days

c.

12 days

d.

17 days

Question number: 608

» Exponents and Powers

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MCQ▾

Question

Simplify:

Choices

Choice (4) Response

a.

b.

0

c.

d.

1