IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 370 - 379 of 1022

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Question number: 370

» Exponents and Powers

Edit
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.

Question number: 375

» Algebraic Expressions

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MCQ▾

Question

If , then the value of .

Choices

Choice (4)Response

a.

161

b.

136

c.

116

d.

114

Question number: 376

» Algebraic Expressions

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MCQ▾

Question

The value of when and is ________.

Choices

Choice (4)Response

a.

386

b.

456

c.

636

d.

576

Question number: 377

» Comparing Quantities

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MCQ▾

Question

A farmer sells two buffaloes for Rs. 9000 each, neither losing nor gaining in the deal. If he sold one buffalo at a gain of 20%, the other buffalo is sold at a loss of ________.

Choices

Choice (4)Response

a.

14.28 %

b.

32.45%

c.

d.

Question number: 378

» Exponents and Powers

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MCQ▾

Question

If , then will be ________.

Choices

Choice (4)Response

a.

1.25

b.

6.25

c.

2.25

d.

1.5

Question number: 379

» Exponents and Powers

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Match List-Ⅰ List-Ⅱ▾

Question

Match the reciprocal of each of the following in exponential form.

List-ⅠList-Ⅱ

(A)

(i)

(B)

(ii)

(C)

(iii)

(D)

(iv)

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (iv)
  • (i)
  • (iii)

b.

  • (ii)
  • (i)
  • (iv)
  • (iii)

c.

  • (iv)
  • (i)
  • (ii)
  • (iii)

d.

  • (ii)
  • (iii)
  • (iv)
  • (i)

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