IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 422 - 430 of 1022

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Question number: 422

» Algebraic Expressions

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MCQ▾

Question

If , then the incorrect expression from the following is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 423

» Exponents and Powers

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MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 424

» Exponents and Powers

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MCQ▾

Question

is equal to ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 425

» Exponents and Powers

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MCQ▾

Question

By what number should we multiply so that the product may be equal to 64?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 426

» Comparing Quantities

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MCQ▾

Question

Two numbers are 20 % and 25 % less than a third number respectively. How much % is the second number less than the first?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 427

» Exponents and Powers

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MCQ▾

Question

The value of x, for which is ________.

Choices

Choice (4) Response

a.

1

b.

9

c.

2

d.

3

Question number: 428

» 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: 429

» Comparing Quantities

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MCQ▾

Question

A man sold 10 eggs for 5 rupees and gained 20%. How many eggs did he buy for 5 rupees?

Choices

Choice (4) Response

a.

16

b.

25

c.

12

d.

14

Question number: 430

» Exponents and Powers

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MCQ▾

Question

If , then x =?

Choices

Choice (4) Response

a.

b.

c.

2

d.