I have Rs.50 and I spend it in the way as below.

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

How Come ??

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

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

What will you call your mother's brother's brother-in-law?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?