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Difficulty: MediumPuzzle 553

Puzzle IconJames and Steve were busily emptying their book shelves from one room to another.

James on his own could have cleared the room in 18 hours.

Steve also would take 18 hours.

Unfortunately, John was moving the books back into the first room from the second.

He could fill the first room in 36 hours.

How long will it take the three of them to complete the task?

[Ref: ZTUW] © Kevin Stone

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Direct Link: www.brainbashers.com?ZTUW


Difficulty: MediumPuzzle 554

Puzzle IconWhat two letters come next in this sequence:

A E F H I K L M ==?== ==?==

[Ref: ZMQQ]

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Difficulty: MediumPuzzle 555

As part of an entry test into BrainBashers academy a special test was devised.

50 applicants were placed into a darkened room, each with a coloured baseball cap upon their head. These baseball caps came in two colours, red and green, however, no applicant knew the colour of their own cap. The applicants were not allowed to communicate in any way.

Their task was to assemble outside, in a line, with those wearing red caps on one side and those wearing green on the other. How did this achieve this?

[Ref: ZWUP]

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Difficulty: HardPuzzle 556

This multiplication contains the numbers 1-9. Can you complete it?

 ***
  3* x
----
****

[Ref: ZXJD] © Kevin Stone

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Direct Link: www.brainbashers.com?ZXJD

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