BrainBashers - Easy Puzzles

Puzzle 29

A large freshwater reservoir has two types of drainage system. Small pipes and large pipes.

6 large pipes, on their own, can drain the reservoir in 12 hours.

6 small pipes, on their own, can drain the reservoir in 18 hours.

How long will 6 large pipes and 6 small pipes take to drain the reservoir?

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Puzzle 30

How should this word be pronounced:

GHOTI

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Puzzle 31

Four friends were discussing the colours of the flowers they had for the local flower show, from this year, and last.

There were four different colours: red, green, blue and yellow.

No-one entered the same colour flower twice.
The entrant who currently has the green flowers, used to have yellow.
Betty, who is not Mrs Long, currently has the blue flowers.
Mrs Kipper, who now has yellow flowers, used to have blue.
Neither Mrs Annie Ford, nor Mrs Jester, have ever owned yellow flowers.
Cybil is not Mrs Kipper.
Diane and Annie have entered four different colours in total.
Can you determine the full names, and colours of the flowers the ladies currently have, and previously had?

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Puzzle 32

Dave's current age is the age of his favourite book (which is 14 years old) plus one third of his age.

How old will he be when his favourite book is twice its current age?

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