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

What's the only room from which no one can enter or leave

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

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.

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

What goes through cities and fields, but never moves?

Who has married many women but was never married?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?