If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Out of four images which one is the odd one out?

Can you spot the hidden girl in the picture below?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

The Federal bank of London is abducted by the robbers. The head of the robbers asked the cashier to empty their money vault to them and when suddenly cashier got a call from her father. To avoid any suspicion, the robber asked the cashier to pick the call and reply her father in the shortest manner possible.

The cashier told her father "Is there an emergency father, Call me when you are free and I will help you in your furnishing" and then the cashier hung up the phone.

After 10 minutes, police arrived at the crime scene.

How did the police know about the robbery?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What do you see in the image below

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?