What word is pronounced the same if you take away four of its five letters?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

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

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

What does this rebus mean?

O
N
C
E
TIME

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