Einstein was constantly at odds with people at the university. (on bad terms, in disagreement, unhappy)

State Einstein's photoelectric equation and explain the significance of each term.

Write the nth term of odd numbers.

Why are people with O blood group called as universal donors?

Someone in the city has committed a crime and it is found n people are involved in this mess. Aladdin and Genie are inquiring the accused to find out the truth. Both of them know that more than half of the people are good people. A good person will always tell the truth but the bad one always lies. They ask the question in a step. A step consists of asking one person at a time of what he thinks about other people is good or bad. Find the minimum number of steps required to find at least one good person if n is 89

Exactly 70 percent of the people in each of 3 rooms are seniors at university X. If one person is selected at random from each of the the 3 rooms, what is the probability that each of the 3 peple selected is a senior at university X ?

Give reason: People with O^- blood group are called universal donor.

A psychology student randomly selected 300 people from a group of people who indicated that they preferred to work alone. Those 300 people were given a task to work on individually and then asked whether they were happy or unhappy while doing the task. OF those surveyed ,5% stated they are unhappy while doing the task. Which of the following inferences can appropriately be drawn from this survey result?