How many words can a pen with half refill write?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

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

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

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

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

2, 3, 5, 9, 17, _ What is the next number in the sequence?