What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

Can you write down eight eights so that they add up to one thousand?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

When it is alive we sing, when it is dead we clap our hands. What is it?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

What is harder to catch the faster you run?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Before Mount Everest was discovered, what was the highest mountain in the world?

Can you solve the below tricky visual equation?