If a boat goes a certain distance at 30 km/hr and comes back the same distance at 60 km/hr. What is the average speed (in km/hr) for the total journey?

If a boat goes a certain distance at 30 km/h and comes back the same distance at 20 km/hr, what is the average speed (in km/hr) for the total journey?

A boat goes a certain distance at 40 km/hr and comes back the same distance at 24 km/hr. What is the average speed (in km/hr)  for the total journey?

The speed of a boat in still water is 8 km / h. If the speed of the stream is 2 km / h, then what distance will the boat cover in 2 hours going against the stream?

If a boat goes upstream at a speed of 21 km/h and comes back the same distance at 28 km/h. What is the average speed (in km/hr)  for the total journey?

Who founded the Nobel Prizes?

In which field is the Nobel Prize NOT awarded?

Which Nobel Prize category was established last among the current ones?

Who decides the recipients of the Nobel Peace Prize?

How many Nobel Prizes are awarded annually?

Who was the first woman to win a Nobel Prize?

Which Nobel Prize category is associated with discoveries or advancements in the understanding of human physiology or medicine?

In which city are the Nobel Peace Prize ceremonies held?

Who presents the Nobel Prizes in Literature, Physics, Chemistry, Medicine, and Economic Sciences?

Which Nobel Prize is often considered controversial due to its subjective nature?

What is the word for "a person who can use both hands with equal skill"?

What is the term for "a person who is excessively fond of eating and drinking"?

What do we call "the fear of heights"?

What is the term for "a person who lives in seclusion and often for religious meditation"?

What is the word for "a person who hates mankind"?