Find out the missing number in the picture attached:

How many times in a given day, minutes and hour clock comes in a straight line ?

Through your logical capabilities, can you make 7 an even?

The king of Octopuses has servants who have six, seven or eight legs. The distinguishing characteristics of the servants is that the one with seven legs always lie but the one with either six or eight legs speak the truth always.

One day, four servants meet and converse:

The black one says, 'We have 28 legs altogether.'

The green one says, 'We have 27 legs altogether.'

The yellow one says, 'We have 26 legs altogether.'

The red one says, 'We have 25 legs altogether.'


Can you identify the colour of the servant who is speaking the truth?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

How can a man go eight days without sleep?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?