How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

What you cannot hold but it is yours?

Can you count the number of triangles in the picture below?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)