What is the word or phrase?

What is the largest number you can write with just 3 digits?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

With the help clues provided in the image, can you find the 5 digit key?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.