Question

4.cards numbered 7 to 40 were put in a box.Ram selects a card at
random. What is the probability that Ram selects a card which is
i) a multiple of 7
ii)multiple of 10

Answer 1

Answer:

total no. of cards =33

i) multiple of 7 in 7 to 40: 14,21,28,35

probability of getting a multiple of 7: 4/33

ii) probability of getting a multiple of 10 : 3/33

=1/11