I always drive my customer away.

Who am I?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Why is the Hole below a Lock?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Which digit occurred maximum times between the number 1 and 1000?

What does this below rebus puzzle mean?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Replace the question mark in the picture below.

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?