Number System (IMO- Mathematics Olympiad Class 9): Questions 15 - 23 of 103

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Question number: 15

» Number System

MCQ▾

Question

7(357)=p+q5, find the value of p and q.

Choices

Choice (4) Response

a.

-7 and 7

b.

-10 and 10

c.

-4 and 4

d.

-6 and 6

Question number: 16

» Number System

MCQ▾

Question

On simplifying 99741×99743+1(99742)2 , we get ________.

Choices

Choice (4) Response

a.

2

b.

3

c.

1

d.

4

Question number: 17

» Number System

MCQ▾

Question

The 10th root of 300(1010) is ________.

Choices

Choice (4) Response

a.

300(910)

b.

300((10))9

c.

(300)(10)9

d.

300(109)

Question number: 18

» Number System

MCQ▾

Question

If 25x1=52x1100 , then the value of x is ________.

Choices

Choice (4) Response

a.

1

b.

4

c.

3

d.

2

Question number: 19

» Number System

MCQ▾

Question

If =1 , then the value of 5x23x+7 is ________.

Choices

Choice (4) Response

a.

8

b.

10

c.

7

d.

9

Question number: 20

» Number System

MCQ▾

Question

The rationalizing factor of p4q4r5 is ________.

Choices

Choice (4) Response

a.

pqr45

b.

p3q24

c.

p2qr5

d.

r33

Question number: 21

» Number System

MCQ▾

Question

The value of (276634)2 equal to ________.

Choices

Choice (4) Response

a.

32

b.

32

c.

34

d.

34

Question number: 22

» Number System

MCQ▾

Question

The 100th root of 10(1010) is ________.

Choices

Choice (4) Response

a.

10(810)

b.

(10)(10)10

c.

10((10))10

d.

10(108)

Question number: 23

» Number System

MCQ▾

Question

The lowest number between 2315 and 135 is ________.

Choices

Choice (4) Response

a.

135

b.

2315

c.

Question does not provide sufficient data or is vague

d.

All of the above

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