In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Can you fill the blank with the correct number?

6 30 870 756030 _____

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?

How many triangles are there on the puzzle below?

Which flower has two lips?

What is more useful when it is broken?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?