You need to arrange three 7 and mathematical symbols to form number 1?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

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

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

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

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

Why do we preferably have round manhole covers and not square ones?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?