Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

How many Watermelons are there in the below picture?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Which tank will fill first?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

The centre of the third figure is empty. What digit should fit inside?