The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Can it be possible to build a house that has all its four walls facing towards the South?

In the addition below, all digits have been replaced by letters.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?

What four weights can be used to balance from 1 to 30 pounds?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

what does this below rebus represent identXQQQQQME

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?