IMO- Mathematics Olympiad Class 9: Questions 57 - 65 of 919

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Question number: 57

» Number System

MCQ▾

Question

On simplifying 999813×999815+1(999814)2 , we get ________.

Choices

Choice (4) Response

a.

2

b.

4

c.

1

d.

3

Question number: 58

» Number System

MCQ▾

Question

73(10+3)25(6+5)32(15+32)=________________

Choices

Choice (4) Response

a.

3

b.

12

c.

2

d.

1

Question number: 59

» Number System

MCQ▾

Question

If x=23 , then the value of x2+1x2 and x21x2 is ________

Choices

Choice (4) Response

a.

14,83

b.

14,83

c.

14,83

d.

14,83

Question number: 60

» Number System

MCQ▾

Question

If a2bc3=53 and ab2=56 , then abc equals ________.

Choices

Choice (4) Response

a.

  • 54

b.

53

c.

52

d.

5

Question number: 61

» Number System

MCQ▾

Question

0.3333…. . can be expressed in rational form as ________.

Choices

Choice (4) Response

a.

13

b.

3

c.

32

d.

23

Question number: 62

» Number System

MCQ▾

Question

(16×2n+14×2n)(16×2n+22×2n+2)=?

Choices

Choice (4) Response

a.

13

b.

43

c.

34

d.

12

Question number: 63

» Number System

MCQ▾

Question

On simplifying 98769×98771+1(98770)2 , we get ________.

Choices

Choice (4) Response

a.

3

b.

4

c.

1

d.

2

Question number: 64

» Number System

MCQ▾

Question

The last digit of the value of the number 20032002+20012002 is________.

Choices

Choice (4) Response

a.

9

b.

4

c.

1

d.

0

Question number: 65

» Number System

MCQ▾

Question

The value of 11×2+12×3+13×4++199×100 is

Choices

Choice (4) Response

a.

Equal to 99100

b.

Greater than 99100

c.

Less than 99100

d.

Equal to 10099

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