Question

THIRTY CARDS BEARING NUMBERS 1 TO 30 ARE PLACED IN A BOX.ONE CARD IS DRAWN AT RANDOM.FIND THE PROBABILITY THAT THE NUMBER ON THE CARD IS A COMPLETE CUBE

Answer 1

Answer:

1/10

Perfect cubes between 1 to 30 are -1,8,27

so,

Probability=Favourable outcomes/Total outcomes

=3/30

=1/10