Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

How do you go from 98 to 720 using just one letter?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Can you find out which options fits best with the missing column?

Which English verb becomes past tense just by rearranging the letters?