Which tank will fill first?

What makes this number unique: 8,549,176,320?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Which Travels Faster? Solve below famous picture riddle:

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

I can be cracked, made, told, and played. What am I?

What does below rebus means ?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

Solve the rebus riddle in the picture below.

I can write cow in 13 letters.

Can You?