99% लोग नहीं जानते ये बाते | Amazing Facts | Intresting Facts | #shorts

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A laboratory blood test is 99% effective in detecting a certain disease when it is in fact, present. However, the test also yields a false positive result for 0.5% of the healthy person tested (i.e. if a healthy person is tested, then, with probability 0.005, the test will imply he has the disease). If 0.1 percent of the population actually has the disease, what is the probability that a person has the disease given that his test result is positive?

An agreement, which in fact is a contract, between the RBI and Banks for the sale and repurchase of Government securities and short term treasury bills at a future date and for which the RBI indicate the interest rate", is generally known as:

All existing and upcoming hotels within a 5 km radius of national parks and sanctuaries in India, will have to pay 30% of their annual turnover as tax to the government. Which of the following statements can be inferred from the facts/information givenin the above statement?

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

A' speaks truth in 60% cases and 'B' in 70% cases. In what percentages of cases are they likely to contradict each other in stating the same fact?

A speaks truth in 80% cases and B speaks truth in 90% cases. In what percentage of cases are they likely to agree with each other in stating the same fact ?

A sum of Rs 1000 is invested at 8% simple interest per year.Calculate the interest at the end of each year.Do these interests form an AP? If so,find the interest at the end of 30 years making use of this fact.