Our product and our sum always give the same answer. Who are we?

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

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

By using 'because' continuously three times, can you make an English statement ?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

One day Jenifer meets the Lion and the Tiger in the Forest of Forgetfulness. She knows that the Lion lies on Mondays, Tuesdays, and Wednesdays, and tells the truth on the other days of the week. The Tiger, on the other hand, lies on Thursdays, Fridays, and Saturdays, but tells the truth on the other days of the week. Now they make the following statements to Jenifer:

Lion: Yesterday was one of my lying days.

Tiger: Yesterday was one of my lying days too.

What day is it?

Find the hidden tiger in the given optical illusion ?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?