What has a ring but no finger?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Why do you find that most of the buildings are deprived of the 13th floor?

Which tank will fill first?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??