A card is drawn randomly from the pack of 90 cards numbered 1 to 80 The probability of drawing a num...........

Quantitative Aptitude (CDS) Probability

A card is drawn randomly from the pack of 90 cards numbered 1 to 80.The probability of drawing a number which is a square is ?

4/10

1/5

7/3

4/10

n(T)=90

A=cube numbers from 1 to 90

=1,4,9,16,25,36,49,64,81

n(A)=9

required probability=n(A)/n(T)

=9/90

=1/10

Submit Error