A BOX OF CHOCOLATES CONTAINS 20 IDENTICALLY SHAPED CHOCOLATES 5 OF THEM ARE FILLED WITH JELLY 3 ARE FILLED WITH CARAMEL AN 12 ARE FILLED WITH NUTSWHAT IS THE PROBABILITY THAT ONE CHOCOLATE CHOOSEN AT RANDOM IS FILLED WITH JELLY CARAMEL OR NUTS?

Answer :

we know that

Total chocolates=20

Total chocolates filled with Jelly, caramels or nuts=5+3+12=20

so

The probability is

P=20/20

P=1

the probability is 1