A speaks truth in 60% cases and `B` speaks truth in 70% cases. The probability that they will say the same thing while describing a single event is (A) `2/19` (B) `3/29` (C) `17/19` (D) `0.54`

X speaks truth in 60% and Y in 50% of the cases. Find the probability that they contradict each other narrating the same incident.

A speaks the truth 3 out of 4 times and B, 5 out of 6 times, what is the probability that they will contradict each other in stating the same fact ?

A speaks truth in 70% cases and his friend B speaks lie in 20% cases .in what percentage of cases are they likely to contradict each other in narrating the same incident ?

A speaks the truth in 60 percent of cases and B in 90 percent of cases. In what percentage of cases are they likely to contradict each other in stating the same fact ?

Probability that A speaks truth is 4/5 . A coin is tossed. A reports that a head appears. The probability that actually there was head is (A) 4/5 (B) 1/2 (C) 1/5 (D) 2/5

The probability that A speaks truth is (4)/(5) , while this probability for B is (3)/(4) , then the probability that they will contradict each when asked to speak on a fact, is -

The box contains tickets numbered from 1 to 20. Three tickets are drawn from the box with replacement. The probability that the largest number on the tickets is 7 is a. 2//19 b. 7//20 c. 1-(7//20)^3 d. none of these

There are 3 bags which are known to contain 2 white and 3 black, 4 white and 1 black, and 3 white and 7 black ball, respectively. A ball is drawn at random from one of the bags and found to the black ball. Then the probability that it was drawn from the bag containing the most black ball is 7//15 b. 5//19 c. 3//4 d. none of these

The probability that a bulb produced by a factory will fuse after 150 days if used is 0.05. what is the probability that out of 5 such bulbs none will fuse after 150 days of use? 1-(19/20)^5 b. (19/20)^5 c. (3/4)^5 d. 90(1/4)^5

All the jacks, queens, kings, and aces of a regular 52 cards deck are taken out. The 16 cards are throughly shuffled and may opponent, a person who always tells the truth, simultaneously draws two cards at random and says, "I hold at least one ace". The probability that he holds two aces is (a)2/8 (b)4/9 (c)2/3 (d)1/9