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

A bridge is about to collapse. There are four people P, Q, R and S on one of the sides. Before the bridge collapses, they want to cross it. Now since the bridge is too weak, it can only stand the weight of two people at a time. Also, it is night time and nothing is visible. They have just one torch with them.

Now P takes one minute to cross the bridge, Q takes two minutes to cross, R takes five minutes to cross and S takes ten minutes to cross.

The bridge will collapse in seventeen minutes. How will they be able to cross the bridge before it collapses?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

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

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Replace the question mark with the correct number in the below-given picture?

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

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

John is the son of Jacob.
So,
Jacob is the_____of John's father?