IMO- Mathematics Olympiad Class 8: Questions 524 - 531 of 1029

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Question number: 524

» Exponents and Powers

MCQ▾

Question

The standard form of 12650000 is________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 525

» Direct and Inverse Proportions

MCQ▾

Question

If Equation andEquation , then the value of Equation is ________.

Choices

Choice (4) Response

a.

8

b.

6

c.

9

d.

10

Question number: 526

» Direct and Inverse Proportions

MCQ▾

Question

The weight of a 12 m long iron rod is 20.5 kg. The weight of 5 m long of such rod will be________.

Choices

Choice (4) Response

a.

8 kg

b.

9 kg

c.

8.54 kg

d.

9.5 kg

Question number: 527

» Direct and Inverse Proportions

MCQ▾

Question

The weight of a 15 m long iron rod is 25 kg. The weight of 10 m long of such rod will be________.

Choices

Choice (4) Response

a.

18 kg

b.

16 kg

c.

16.6 kg

d.

18.54 kg

Question number: 528

» Direct and Inverse Proportions

MCQ▾

Question

A can do a work in 8 days. If B is 60 % more efficient than A, then in how many days can B do the same work?

Choices

Choice (4) Response

a.

3.5

b.

3

c.

5

d.

4

Question number: 529

» Exponents and Powers

MCQ▾

Question

The value of Equation is________.

Choices

Choice (4) Response

a.

Equation

b.

49

c.

Equation

d.

Equation

Question number: 530

» Exponents and Powers

MCQ▾

Question

If Equation andEquation , then Equation is equal to________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 531

» Direct and Inverse Proportions

MCQ▾

Question

A man completes Equation of a job in 10 days. At this rate how many more days will it take him to finish the job?

Choices

Choice (4) Response

a.

6

b.

7.5

c.

6.5

d.

7

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