Which alphabet letter is a question?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

A man dies of old age on his 25 birthday. How is this possible?

Find the next number in the series.
1 10 24 43 67 ?

what does the below rebus means?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

Can you count the number of matches in the picture below ?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

What has 13 hearts but no other organs?

What kind of storm is always in a rush?