IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 366 - 374 of 1022

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Question number: 366

» Comparing Quantities

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MCQ▾

Question

The value of 36 coins of 10 p and 20 p is Rs. 6.60. The number of 20 p coins is ________.

Choices

Choice (4) Response

a.

16

b.

20

c.

30

d.

32

Question number: 367

» Comparing Quantities

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MCQ▾

Question

A man sold 15 pens for 24 rupees and gained 12%. How many pens did he buy for 24 rupees?

Choices

Choice (4) Response

a.

21

b.

15

c.

16

d.

17

Question number: 368

» Exponents and Powers

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MCQ▾

Question

is equal to ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 369

» Comparing Quantities

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MCQ▾

Question

When a number is reduced by 8, it becomes 60 % of itself. Find the number.

Choices

Choice (4) Response

a.

50

b.

40

c.

20

d.

30

Question number: 370

» Exponents and Powers

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MCQ▾

Question

Express 0.00102 in scientific notation.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 371

» Algebraic Expressions

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MCQ▾

Question

Simplify .

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 372

» Exponents and Powers

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MCQ▾

Question

Choices

Choice (4) Response

a.

b.

- 25

c.

d.

25

Question number: 373

» Algebraic Expressions

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MCQ▾

Question

The value of is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 374

» 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.