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

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Which alphabet letter is a question?

What can you catch but never throw?

Find the next number in the series.
1 10 24 43 67 ?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

Can you divide the below-given shape into four equal and identical pieces?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100