IMO- Mathematics Olympiad Class 8: Questions 494 - 500 of 1029

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Question number: 494

» Direct and Inverse Proportions

MCQ▾

Question

If 13:1x=1x:127 , then the value of x is________.

Choices

Choice (4) Response

a.

9

b.

10

c.

6

d.

5

Question number: 495

» Direct and Inverse Proportions

MCQ▾

Question

A shopkeeper has just enough money to buy 45 cycles worth Rs. 600.00 each. If each cycle were to cost Rs. 15.00 more, then number of cycles, he will be able to buy with that amount of money, is________.

Choices

Choice (4) Response

a.

44

b.

42

c.

35

d.

40

Question number: 496

» Exponents and Powers

MCQ▾

Question

The value of x2xx(xx) when x=2 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 7(xy)=343 and 7(x+y)=2401 , then x is equal to________.

Choices

Choice (4) Response

a.

52

b.

92

c.

12

d.

72

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

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