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

What does below Rebus mean ?

esgg sgeg gegs gsge

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

What number should come in place of the question mark below?

Count the number of triangles in the below picture?