ProbabilityHard
Question
Two numbers a and b are selected from the set of natural number then the probability that a2 + b2 is divisible by 5 is -
Options
A.
B.
C.
D.
More Probability Questions
A box contains 2 black, 4 white and 3 red balls. One ball is drawn at random from the box and kept aside. From the remai...A student appears for tests I, III. The student is successful if he passes either in tests I and III. The probabilities ...Three letters are selected at random from the word ′SLEEPER′. The probability that at least two E′s oc...The probability that an event A happens in one trial of an experiment is 0.4. Three independent trails of the experiment...A man alternately tosses a coin and throws a dice beginning with the coin. The probability that he gets a head in the co...