What breaks yet never falls, and what falls yet never breaks?

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

How can you tell a raw egg from a hard-boiled egg?

What goes through cities and fields, but never moves?

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

What begins with T, ends with T, and has T in it?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1