IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 450 - 458 of 1022

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Question number: 450

» Exponents and Powers

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MCQ▾

Question

Which of the following numbers is in the scientific notation?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 451

» Exponents and Powers

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MCQ▾

Question

By what number should be divided so that the quotient is ?

Choices

Choice (4) Response

a.

4

b.

c.

d.

3

Question number: 452

» Exponents and Powers

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MCQ▾

Question

If , then x =

Choices

Choice (4) Response

a.

10

b.

11

c.

13

d.

12

Question number: 453

» Exponents and Powers

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MCQ▾

Question

Choices

Choice (4) Response

a.

b.

c.

1

d.

2

Question number: 454

» Exponents and Powers

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MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

5

b.

25

c.

d.

125

Question number: 455

» Exponents and Powers

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MCQ▾

Question

The value is ________.

Choices

Choice (4) Response

a.

1

b.

0

c.

2

d.

- 1

Question number: 456

» Exponents and Powers

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MCQ▾

Question

The value is ________.

Choices

Choice (4) Response

a.

1

b.

c.

- 2

d.

Question number: 457

» Everyday Mathematics

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MCQ▾

Question

Monika answered of the questions on her quiz correctly. What percent of the questions did she answer correctly?

Choices

Choice (4) Response

a.

25%

b.

50%

c.

75%

d.

34%

Question number: 458

» Everyday Mathematics

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MCQ▾

Question

Komal has certain amount in his account. She gives three-fifth of this to her brother and one half of the remaining to her sister. The amount left with her now is ________.

Choices

Choice (4) Response

a.

of the original

b.

of the original

c.

of the original

d.

of the original