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Showing posts from July, 2021

PROBABILITY

1. The letters of the word “SOPHISTICATED” are put in a bag and one is picked at random. What is the chance of getting an “S” in the first draw? [ a ]   [b]   [c]   [d]   2 . There are 15 girls and 23 boys in a class. If a prefect is to be elected, what is the chance of a girl getting the post? [ a ]   [b]   [c]   [d]   3 . A man kept 6 black, 5 brown and 7 purple shirts in a drawer. What is the probability of him picking a purple shirt with eyes closed? [ a ]   [b]   [c]   [d]   4 . Find the probability that a number selected at random from 40 to 50 is a prime. [ a ]   [b]   [c]   [d]   5 . Find the probability that a number selected at random from 41 to 56 is a multiple of 9 [ a ] [b]   [c] [d]   6 . A number selected at random between 20 and 30 both numbers inclusive. Find the probability that the number is a prime. [ a ]   [b]   [c]   [d]   7 . All the digits...