IMO- Mathematics Olympiad Class 8: Questions 539 - 546 of 1029

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Question number: 539

» Exponents and Powers

MCQ▾

Question

The value of Equation

Choices

Choice (4) Response

a.

7

b.

1

c.

5

d.

6

Question number: 540

» Exponents and Powers

MCQ▾

Question

The value of Equation is ________.

Choices

Choice (4) Response

a.

100

b.

200

c.

800

d.

400

Question number: 541

» Direct and Inverse Proportions

MCQ▾

Question

The ratio which Equation bears to Equation is________.

Choices

Choice (4) Response

a.

1.50

b.

1.65

c.

1.68

d.

1.78

Question number: 542

» Direct and Inverse Proportions

MCQ▾

Question

If Equation and Equation , then the value of Equation is ________.

Choices

Choice (4) Response

a.

10

b.

6

c.

8

d.

9

Question number: 543

» Direct and Inverse Proportions

MCQ▾

Question

A sum of money is sufficient to pay Equation wages for 25 days and Equation wages for 25 days. The same money is sufficient to pay the wages of both for ________.

Choices

Choice (4) Response

a.

11 days

b.

Equation days

c.

10 days

d.

12 days

Question number: 544

» Direct and Inverse Proportions

MCQ▾

Question

A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 1: 4: 5. If their total value is Rs. 90, the number of 10 paise coins is ________.

Choices

Choice (4) Response

a.

400

b.

500

c.

800

d.

600

Question number: 545

» Direct and Inverse Proportions

MCQ▾

Question

If A: B = 1: 4 and B: C = 3: 5, then C: A is equal to, ________.

Choices

Choice (4) Response

a.

24: 15

b.

25: 14

c.

3: 20

d.

20: 3

Question number: 546

» Exponents and Powers

MCQ▾

Question

The solution of Equation , is________.

Choices

Choice (4) Response

a.

-2

b.

4

c.

3

d.

-1

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