What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

You can see it everyday, But cannot touch it at will. What is it?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?