IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 397 - 405 of 1022

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Question number: 397

» Exponents and Powers

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MCQ▾

Question

The value of , if is ________.

Choices

Choice (4) Response

a.

1850

b.

1844

c.

1825

d.

1840

Question number: 398

» Exponents and Powers

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MCQ▾

Question

The value of x in is ________.

Choices

Choice (4) Response

a.

3

b.

c.

1

d.

Question number: 399

» Algebraic Expressions

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MCQ▾

Question

The algebraic expression obtained on addition of following algebraic expression is ________.

Choices

Choice (4) Response

a.

2y

b.

c.

d.

0

Question number: 400

» Comparing Quantities

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MCQ▾

Question

The value of 25 coins of 20 p and 50 p is Rs. 9.80. The number of 50 p coins is ________.

Choices

Choice (4) Response

a.

30

b.

32

c.

16

d.

20

Question number: 401

» Exponents and Powers

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MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 402

» Exponents and Powers

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MCQ▾

Question

Express 0.0084 in scientific notation.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 403

» Exponents and Powers

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MCQ▾

Question

The number which is multiplied by to obtain a product equal to is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 404

» Exponents and Powers

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MCQ▾

Question

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 405

» Algebraic Expressions

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MCQ▾

Question

What is the value of at ?

Choices

Choice (4) Response

a.

0

b.

ac

c.

ab

d.