With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

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

If eleven plus two equals one, what does nine plus five equal?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

How can you tell a raw egg from a hard-boiled egg?

Keyboard words are not in alphabetical order, Why?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

I am the fastest animal but cannot climb the tree. What am I?

81 x 9 = 801. What must you do to make the this equation true?

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?