F Four whole number taken at random are multiplied together. The chance that the last digit of the product is 1, 3, 7, or 9 is ? August 18, 2021 1 Min Read 0 41 August 18, 2021 1 Min Read 0 41 Answer : A. 16/625 Probability Editor Continue Reading
A A brother and sister appear for an interview against two vacant posts in an office. The probability of the brother’s selection is 1/5th and that of the sister’s selections is 1/3rd. What is the probability that one of them is selected ? August 18, 2021 1 Min Read 0 72 August 18, 2021 1 Min Read 0 72 Answer : B. 2/5 Probability Editor Continue Reading
A A bag contains 8 red and 5 white balls. 2 balls are drawn at random. What is the probability that both are white ? August 18, 2021 1 Min Read 0 91 August 18, 2021 1 Min Read 0 91 Answer : D. 5/39 Probability Editor Continue Reading
I If the probability that A will live 15 year is 7/8 and that B will live 15 year is 9/10, then what is the probability that both will live after 15 year ? August 18, 2021 1 Min Read 0 43 August 18, 2021 1 Min Read 0 43 Answer : B. 63/80 Probability Editor Continue Reading
