How many times in a given day, minutes and hour clock comes in a straight line ?

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

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

What goes up but never comes down?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

Can you tell a 3D object that has just two surfaces?