Muhammad Ali was the 4th heavyweight champions to retire while still holding the title. Who were the previous three?

Who gave Julio Cesar Chavez his first official defeat?

Who is the only man that fought both Rocky Marciano and Muhammad Ali in professional fights?

Who was the first Hispanic world heavyweight boxing champion?

Who was cornerman for Sugar Ray Leonard in many of his biggest fights and for Ali in all but two of his fights?

Who is the first fighter to win titles in 8 different weight classes?

Who became the world heavyweight boxing champion after the retirement of Rocky Marciano?

What is the advantage of multi-table architecture for the open flow rules ?

In LTE does UE performs contension based RACH or contension free RACH for UE uplink sync?

When was the first search engine invented?

Using the digits 1 up to 9, two numbers must be made. The product of these two numbers should be as large as possible. All digits must be used exactly once.Which are the requested two numbers?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

5 , 10 , 12 , 36 , 39 , 156 , 160 , ? , ?

What are the largest and smallest 5-digit numbers that satisfy the following conditions?

A. Each digit of the number is a prime digit. B. Each successive pair of digits forms a 2-digit number that is NOT a prime number. C. Each of the prime digits must appear at least once in the 5-digit number.