Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (CLASSROOM WING)>Q 16

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IMPORTANT

Earn 100

Which of the following sets is not closed under subtraction?

36.36% studentsanswered this correctly

Important Questions on Number Systems

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IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (CLASSROOM WING)>Q 17

What do you call two tractions, whose product is $1$

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Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (CLASSROOM WING)>Q 18

Period of the decimal

2.3636363 . . . .

is _____

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Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (CLASSROOM WING)>Q 19

Periodicity of

981.7836

is

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Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (CLASSROOM WING)>Q 20

What is the smallest positive irrational number?

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Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (CLASSROOM WING)>Q 21

What is the multiplicative identity element in the set of integers?

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Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (CLASSROOM WING)>Q 22

Find the HCF of

17

and

19

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Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (CLASSROOM WING)>Q 23

\sqrt{225} + \sqrt[3]{\frac{1}{64}}

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Pearson IIT Foundation Mathematics>Chapter 1 - Number Systems>PRACTICE QUESTIONS (CLASSROOM WING)>Q 24

The LCM of two numbers is

30

and the product of two numbers is

150

. Find the HCF