John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

Can you find out the remainder when 3^300 is divided by 5?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?