John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

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?

Why Aeroplane windows are round?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Find the next number in the following series:
6, 14, 26, 98, __?

If a wheel has 54 spokes, how many spaces are there between the spokes?

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

PS: You may start the number from 0.

Can you count the number of triangles in the given figure?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?