Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Which word does the below Plexor means ?

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?

How many letters are in the alphabet?

Below rebus represent famous DiCaprio movie. Can you name it?

What is the word or phrase?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?