If 21x = 79x, what is the value of x?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

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?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Can you arrange the six given marbles in a manner that each one of them is touching all four marbles of different colours?

Kids with the most attentive eyes can spot a different watermelon in 4 seconds. Can you? Test your eyes now!

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

An apple seller is hosting a competition. He offers 1000 apples and 10 boxes to the people who pass by. The challenge is to put those 1000 apples in the 10 boxes in such a manner that if he asks for any amount of apples, the person can directly give him the boxes or a combination of boxes. If the person can do it, he promises to give a thousand apples for free.

If you happen to pass by the apple seller, will you be able to win a thousand apples?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?