IMO- Mathematics Olympiad Class 8: Questions 496 - 502 of 1029

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Question number: 496

» Exponents and Powers

MCQ▾

Question

The value of Equation when Equation is________.

Choices

Choice (4) Response

a.

21

b.

24

c.

20

d.

25

Question number: 497

» Direct and Inverse Proportions

MCQ▾

Question

A clothing store is able to purchase 20 coats worth Rs. 500.00 each. If each coat were to cost Rs. 50.00 more, then numbers of coats that will be able to buy with that amount of money is________.

Choices

Choice (4) Response

a.

18

b.

20

c.

25

d.

16

Question number: 498

» Direct and Inverse Proportions

MCQ▾

Question

A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 2: 3: 4. If their total value is Rs. 20, the number of 5 paise coins is ________.

Choices

Choice (4) Response

a.

50

b.

80

c.

60

d.

70

Question number: 499

» Exponents and Powers

MCQ▾

Question

If Equation and Equation , then Equation is equal to________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 500

» Direct and Inverse Proportions

MCQ▾

Question

Two numbers are in the ratio 1: 3. If each number is increased by 9, the ratio becomes 3: 5. The numbers are________.

Choices

Choice (4) Response

a.

13, 14

b.

3.5, 14.7

c.

35, 25

d.

4.5, 13.5

Question number: 501

» Exponents and Powers

MCQ▾

Question

The value of Equation is ________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 502

» Direct and Inverse Proportions

MCQ▾

Question

The ratio of boys and girls in a school of 660 students is Equation . How many girls should be admitted to make ratio Equation ?

Choices

Choice (4) Response

a.

50

b.

60

c.

40

d.

30

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