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

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

Which digit occurred maximum times between the number 1 and 1000?

A couple went on a climbing trip. But only the husband returned from the vacation and said that his wife slipped off while climbing and died. On investigating, the local sheriff arrested him saying, 'Your travel agent called. You murdered your wife.'

The man did not inform anyone about the trip. Then how was the agent so sure that it was a murder?

Solve the following series:
AZ, GT, MN, __, YB

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

I make two people out of one. What am I?

What type of tree can I carry in my hand?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?