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

What is the word or phrase?

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?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Can you count the number of squares in the given picture?

When 99 is considered higher than 100?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Can you place six X (crosses) in below board without making three in a row in any way ?

What goes up but never comes down?

Can you make a six-letter word using the letters N, A and B ?