GRE Exam Numerical Ability Probability

A certain jar contains 70 jelly beans — 23 white, 27 green, 11 yellow, 5 red and 4 purple. If a jelly bean is to be chosen at random, what is the probability that the jelly bean will be neither red nor purple?

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GRE Other Question

English language has 26 alphabets, out of 4 distinct vowels and 7 distinct consonants, how many letter patterns can be made with each to contain 3 distinct consonants and 2 distinct vowels? Sofia and Tess will each randomly choose one of the 20 integers from 1 to 20. What is the probability that neither integer chosen will be square of the other ?