IMO- Mathematics Olympiad Class 9: Questions 1 - 7 of 919

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Question number: 1

» Number System

MCQ▾

Question

The value of 11+2+12+3+13+4+14+5+15+6+16+7+17+8+18+9 is ________.

Choices

Choice (4) Response

a.

1

b.

4

c.

2

d.

0

Question number: 2

» Number System

MCQ▾

Question

If (px=qy=b)+(rm=sn=t) and (qa=pj=e)+(sc=rd=k) , then ________.

Choices

Choice (4) Response

a.

(xa=yj)+(cm=dn)

b.

(xy+aj)=(mn+cd)

c.

(xy=aj)+(mn=cd)

d.

(xa+yj)=(cm+dn)

Question number: 3

» Number System

MCQ▾

Question

The value of 13 of 1527 is ________.

Choices

Choice (4) Response

a.

527

b.

5×1526

c.

159

d.

5×39

Question number: 4

» Number System

MCQ▾

Question

Find the values of a and b if 3+131313+1=a+b3

Choices

Choice (4) Response

a.

a=0,b=12

b.

a=0,b=2

c.

a=2,b=1

d.

a=12,b=0

Question number: 5

» Number System

MCQ▾

Question

Which of the following numbers has the terminal decimal representation?

Choices

Choice (4) Response

a.

17

b.

13

c.

35

d.

173

Question number: 6

» Number System

MCQ▾

Question

Set of imaginary numbers is a subset of________.

Choices

Choice (4) Response

a.

Set of Complex numbers

b.

Set of Natural numbers

c.

Set of real numbers

d.

Set of Algebraic numbers

Question number: 7

» Number System

MCQ▾

Question

If am.an=amn , then m(n2)+n(m2) is________.

Choices

Choice (4) Response

a.

n

b.

0

c.

nn1

d.

2n4n1

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