I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What is always in front of you but can’t be seen?

Which tank will fill first?

Which digit occurred maximum times between the number 1 and 1000?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

There are 3 apples in the basket and you take away 2. How many apples do you have now?