Random Puzzles 

Workings

Hint
How many bricks are laid in six hours?

Answer
1 hour.

Reasoning
How many bricks are laid in six hours?

In six hours, Kevin lays 1000 bricks, Freddie lays 2000 bricks, and Jimmy lays 3000 bricks.

So, in six hours, we have a total of 6000 bricks laid.

Which means that it will take one hour to lay 1000 bricks.

Workings

Hint
The cube root of the given number is a good starting point.

Answer
71, 73, 79.

Reasoning
The cube root of 409,457 is around 74.

The closest consecutive prime numbers to 74 are: 61, 67, 71, 73, 79, 83, 89, 97.

Using a calculator, it is quickly seen that the answer can only be found using 71, 73 and 79.

Workings

Hint
The answers are related to time.

Answer
60.

The numbers represent 100 years in a century, 365 days in a year, 24 hours in a day, 60 minutes in an hour and 60 seconds in an minute.

Workings

Hint
Look at the initial letters.

Answer
Elephant.

The initial letters form the word ECLIPSE, so any animal beginning with E will work.