It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

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?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

When is the top of a mountain similar to a savings account?

What have one eye but still cannot see?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

You are camping with your friends. You have a flashlight for any emergency and have brought 8 batteries along with you. Your brother calls to tell you that four of those batteries are already dead.

Your flashlight requires two working batteries to run. What is the least number of pairs you will need to test to guarantee that you can get the flashlight on?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.