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?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

What goes up but never comes down?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

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

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Can you identify if it's a murder or a suicide ?