What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

The centre of the third figure is empty. What digit should fit inside?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

What's a single-digit number with no value?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

There are 100 bulbs in a room. 100 strangers have been accumulated in the adjacent room. The first one goes and lights up every bulb. The second one goes and switches off all the even-numbered bulbs - second, fourth, sixth... and so on. The third one goes and reverses the current position of every third bulb (third, sixth, ninth? and so on.) i.e. if the bulb is lit, he switches it off and if the bulb is off, he switches it on. All the 100 strangers progress similarly.

After the last person has done what he wanted, which bulbs will be lit and which ones will be switched off?

What has a bottom at the top?