What has a ring but no finger?

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 ?

Different lights make me strange by changing me into different sizes. What am I?

Whats the next number in the below number sequence pattern.

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

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Can you solve the photo plexer logic ?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.