What has a ring but no finger?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

My location can be determined by the below rebus.
So where am i ?

What does this rebus mean?

O
N
C
E
TIME

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

Solve the mathematical equation in the picture below.

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

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

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?