Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Can you identify the hidden rebus in the image below?

Rearrange the letters in "new door" to make one word.

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

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

What goes up but never comes down?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?