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`

A speaks truth in 80% cases and B speaks truth in 70% cases.What is the probability that they like to contradict each other in stating the same fact.

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 truth in 95% cases and B speaks truth in 90% cases. In what percentage of cases they like to contradict each other in stating the same fact.

X speaks truth in 70 percent of cases and Y in 90 percent of cases. What is the probability that they likely to c ontradict 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 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-(7/200)^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 a. 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? a. 1-(19/20)^5 b. (19/20)^5 c. (3/4)^5 d. 90(1/4)^5