Rational Numbers (IMO- Mathematics Olympiad Class 8): Questions 9 - 15 of 66

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Question number: 9

» Rational Numbers

MCQ▾

Question

Simplify: (ab×ca)(1×1c)+(1a×1b)

Choices

Choice (4) Response
a.

(ab)

b.

a(b+c2)+babc

c.

a(c2+b)cabc

d.

a(c2+b)+cabc

Question number: 10

» Rational Numbers

MCQ▾

Question

The sum of the additive inverse of 2 and multiplicative inverse of 3 is_.

Choices

Choice (4) Response
a.

35

b.

3613

c.

1311

d.

53

Question number: 11

» Rational Numbers

MCQ▾

Question

Which of the following statement is false?

Choices

Choice (4) Response
a.

If we take ab=cd then adbc

b.

If we take ab+cd then ad+bcbd

c.

If we take abcd then adbcbd

d.

If we take ab then ab

Question number: 12

» Rational Numbers

MCQ▾

Question

The rational number which is not lying between 0 and 1 is

Choices

Choice (4) Response
a.

14

b.

13

c.

0.67

d.

2

Question number: 13

» Rational Numbers

MCQ▾

Question

Which of the following statement is true?

Choices

Choice (4) Response
a.

35<57<79<911

b.

57<37<79<911

c.

911<79<57<37

d.

37<911<79<57

Question number: 14

» Rational Numbers

MCQ▾

Question

The value of x for which the two rational numbers 109=x3 are equivalent, is_.

Choices

Choice (4) Response
a.

1

b.

103

c.

103

d.

12

Question number: 15

» Rational Numbers

MCQ▾

Question

If X = 5, then the value of (X+1X1) is

Choices

Choice (4) Response
a.

12

b.

23

c.

32

d. - 32

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