If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

When it's bad luck to meet a black cat?

What can you hold in your right hand, but never in your left hand?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

Find the next number in the following series:
6, 14, 26, 98, __?

Who has married many women but was never married?