We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

What came first, the chicken or the egg?

Be active and find the killer in the picture Riddle below.

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

You see me once in June, twice in November, and not at all in May. What am I?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?