Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

what does this picture(rebus) riddle means ?

By what process could you make a 'Tea-Table' into food?

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

What Word am I Looking For ?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Find the missing letter in the last circle logically in the given below picture.

How can you leave a room with two legs and return with six legs?