Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

What happened when the wheel was invented?

What is full of holes but still holds water?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Which fur should we be getting from the Lion?