NET Mathematics Practice MCQs Chapter 1


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Chapter 1: Number Systems

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(?, ?)(?, ?) =

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If ? < ? then

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??? equals:

 

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The additive identity in set of complex number is

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The numbers which can be written in the form of ? , ?, ? ∈ ? , ? ≠ ? are :

 

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?. ??? …. Is

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The product of two conjugate complex numbers is

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Multiplicative inverse of ′?′ is

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Real part of (?+?)/? is:

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Product √−? × √−? is equal to _____

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The multiplicative inverse of (?, −?) is:

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(?, ?)^? is equal to:

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5.       If ? is any non-zero real number, then multiplicative inverse is

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if ?1 and ?2 are complex numbers then |?1+?2| is _______

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For all ? ∈ ? , ? = ? is …. Property.

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1.       For any complex number ?, it is always true that |?| is equal to:

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Factors of ?(?^? + ?^?) are:

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The modulus of ? = ? + ?? is

(a) (b)  (c)  (d)

 

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If ? = ? then multiplicative inverse of ? is

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For all ?, ? ∈ ? , ? = ? ⟹ ? = ? is called….. property.

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? is

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A recurring decimal represents_____

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(−?)^?? =_______

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If ? is an even integer, then (?)^? is equal to:

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(−?)−??/? =

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The set {?, −?} possesses closure property ?. ?. ?

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Imaginary part of (−? + ??^?) is

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Every recurring decimal is

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The property ?. ? + (−?. ?) = ? is______

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√3 is __________

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The imaginary part of the complex number (? , ?) is _________

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The multiplicative identity of complex number is

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 A decimal which has a finite numbers of digits in its decimal part is called            decimal.

(b)     (c)                  (d)

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If ? = −? − ? then ? =______

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??/? is

 

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