What is common among 11, 69, and 88?

Can you find the thief by just looking at the picture below?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What number when divided in half becomes zero?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Can you move 2 matchsticks to form four equal sized squares.

Find the smallest sentence with all the English alphabet.

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

Look at the picture and find out which square is not linked with any of the other squares.

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?