There are 100 people on a line. Aviva is the 37th Person and Naomi is the 67th person. If a person on line is chosen at random, what is the probability that the person is standing between Aviva and Naomi ?
A jar has 5 marbles, 1 of each of the colours red, white, blue, green, and yellow. If 4 marbles are removed form the jar, what is the probability that the yellow one was removed ?
A boy was asked to multiply a given number by 8/17. Instead, the divided the given number by 8/17 and got the 225 more than what he should have got if he had multiplied the number by 8/17. The given number was