Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Buy me, smell me or deliver me, I do not change.

Who am I?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

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

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?