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 ?

Which point will the car reach to go out?

Solve the equation in the image by looking at the pattern closely.

What can you see in the middle of March and April that you can never see in any other month?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

What word is represented by this rebus?

Take one out and scratch my head, I am now black but once was red. What am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Which wheel of car does not rotate when you turn your car right?