Can you count the number of quadrilaterals in the picture below?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?