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

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

What famous saying does this rebus mean?

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

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.