Sets, Functio… | NUST Entrance Test Mathematics

If $3n \n \:\epsilon Z^{+}\wedge n<6$ then A is

Difficulty: Easy

A:

{3,4,5,6}

B:

{1,2,3,4,5,6}

C:

{3,4,5}

D:

{3,6,9,12,15}

If C= {p/p < 18, p is a prime number}, then C=

Difficulty: Easy

A:

{1,2,3,4,....17}

B:

{2,4,6,8....16}

C:

{1,3,5,7,9,11,13,15,17}

D:

{2,3,5,7,11,13,17}

If A={x/x is a positive integer and 4x< 23}, then A=

Difficulty: Easy

A:

{1,2,3,4,5,6,7}

B:

{4,5,6,....22}

C:

{1,2,3....23}

D:

{1,2,3,4,5}

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