Find the missing letter in the last circle logically in the given below picture.

Count the number of triangles in the given picture.

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?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

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?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

There are three identical triplets sisters. Demi is the oldest of them all and she always speaks the truth. Diana is the next one who is a liar always. Drew, the youngest of them all speaks both truth and lies randomly.

On a rainy day, a family friend Victor visited them. Since there were starkly identical, he was not able to recognize them. Thus to clarify, he asked one question to each one of them.

He started with the one standing on the left and asked, 'Which sister is in the middle of you three?' She answered, 'That's Demi.'

Then, he asked the one standing in the middle, 'What is your name?' She answered, 'I am Drew.'

Finally, he asked the one standing on the right, 'Who is standing in the middle?' She answered, 'She is Diana.'

Victor was left baffled. He asked the questions three times and received different answers every time.

Can you tell who was who?