I’m tall when I’m young, and I’m short when I’m old. What am I?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

2, 3, 5, 9, 17, _ What is the next number in the sequence?

10+10 and 11+11 can give you the same answer.

Explain how?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

What is harder to catch the faster you run?