Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

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?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

I have branches, but no fruit, trunk or leaves. What am I?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?