You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

I have an eye but still cannot see.

Who am I?

Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

what's the probability of getting a king or a queen from a pack of 52 cards?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

Can you count the number of triangles in the given figure?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

2, 3, 5, 9, 17, _ What is the next number in the sequence?