Question
Axe speaks truth only when Wye does not speak truth,
then what is the probability that Zed does not speak truth on a question? There are three people – Axe, Wye and Zed. Probability that Axe speaks the truth is 7/20, probability that Wye speaks the truth is 3/5 and probability that Zed speaks truth is 5/6. For a particular question asked, at most 2 people speak truth. All people answer to a particular question asked.Solution
Case (1) : Wye does not speak truth So, Axe speaks truth here Probability that Zed does not speaks truth = 7/20 ×(1-3/5)×(1-5/6) = 7/300 Case (2) : Wye speaks truth So, Axe does not speaks truth here Probability that Zed does not speaks truth = (1-7/20)× 3/5 ×(1-5/6) = 13/200 Required Probability = 7/300+ 13/200 = 53/600
Which of the following types of virus, also known as spacefiller virus,infects a file using empty sections?
A vendor buys a box of fruits for ₹720 and sells them at a 25% profit. If he sells 60% of the fruits, what will be his profit on this transaction?
887, ? , 818, 749, 657, 542.
120 litres of mixture contains water and milk in the ratio 5:6 respectively. If 32 litres of the mixture is replaced by same quantity of water, then fin...
55-litres of paint is added to a mixture of paint and oil in the ratio 3:5. The ratio of paint and oil in the resulting mixture is 4:3. Find the total v...
Determine the mean of the following observations:
24, 26, 22, 25, 20, 21, 24, 25Find the number of real solutions of sinx=x
'R' invested Rs. 24,000 in SIP 'A' with a compound interest rate of 20% per annum compounded annually, and Rs. 18,600 in SIP 'B' with a simple interest ...
- What does a landscape orientation refer to?
- What was the first successful supercomputer?
