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

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

What has no start, end, or centre?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

Can you count the number of triangles in the picture below?

What has a bottom at the top?

How many letters are in the alphabet?