If it took eight men ten hours to build a wall, how long would it take four men to build it?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

If you say my name, I will no longer exist. What am I?

Can you find the company name in the pictogram below?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Can you start the fire using two pieces of wood?

As a whole I am both
safe and secure.

Behead me and I become
a place of meeting.

Behead me again and I am
the partner of ready.

Restore me, and I become
the domain of beasts.

What am I?

What two things can you never eat for breakfast?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?