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Friday's Maths Brain Teasers ? ❓

(115 Posts)
Marydoll Fri 03-Apr-20 07:58:22

For those of you enjoying the brain teasing, here is today's first challenge.

I will not post the solution until tonight, to allow those in different time zones to have a go.

Marydoll Fri 03-Apr-20 10:40:54

A wee quickie to keep you going.

A farmer has 19 sheep on his land. One day, a big storm hits and all but seven run away. How many sheep does the farmer have left?

Callistemon Fri 03-Apr-20 10:42:36

19

gillybob Fri 03-Apr-20 10:42:52

Eh? 7? ?

gillybob Fri 03-Apr-20 10:43:17

Or 19 if he rounds them up quick !

Bathsheba Fri 03-Apr-20 10:46:06

96

And 7 sheep!

Gemini17892 Fri 03-Apr-20 11:13:18

???????
?

oldgoat Fri 03-Apr-20 11:15:33

I think it's 40 too

Brunette10 Fri 03-Apr-20 11:16:44

7 ?

GracesGranMK3 Fri 03-Apr-20 11:18:40

96?

Marydoll Fri 03-Apr-20 11:40:28

Gemini, I love it!
Thanks all for joining in the spirit of things.

Here is another to keep you going, I still haven't made that cake yet! sad

You planted sunflower ? seeds in your back garden. Every day, the number of flowers doubles. If it takes 52 days for the flowers to fill the garden, how many days would it take for them to fill half the garden?

GracesGranMK3 Fri 03-Apr-20 11:56:18

Sheeps still sheeping presumably so 19 although it might take a while to find them. If the runaways got killed (hit by passing car or lightening or stolen by a neighbour) then he has 7. If he is a good Christian shepherd then he knows:

"The good shepherd lays down his life for the sheep.", and is probably still looking.

Lisagran Fri 03-Apr-20 11:59:02

96

7 sheep

Marydoll Fri 03-Apr-20 12:03:10

GracesGran that is brilliant! ?

gillybob Fri 03-Apr-20 12:16:38

I’m stumped here Marydoll and far even picture the sum confused

gillybob Fri 03-Apr-20 12:16:55

Can’t not far !

gillybob Fri 03-Apr-20 12:18:12

Is the answer 51? confused

dragonfly46 Fri 03-Apr-20 12:43:05

96?

dragonfly46 Fri 03-Apr-20 12:43:44

7 sheep

Emma49 Fri 03-Apr-20 12:48:51

40
7

dragonfly46 Fri 03-Apr-20 12:52:28

Hmm. 19 sheep!

mary51 Fri 03-Apr-20 13:12:18

40 for first one. I misread the sign earlier.

Brunette10 Fri 03-Apr-20 14:08:58

Sunflower seeds - 51 days

Bathsheba Fri 03-Apr-20 14:09:55

Isn't it odd that there seems to be only two, wildly different, answers for the first puzzle. I think it's 96, but I'm damned if I can even work out how people are arriving at 40! I would love to know! (but please don't put it on here, because it may be the right answer and we're not meant to give spoilers wink)

Bathsheba Fri 03-Apr-20 14:12:21

Oh, scratch that - I've just managed to work out how people get 40!!! But there is a huge gap in the thinking wink

Bathsheba Fri 03-Apr-20 14:13:15

Sunflower seeds: 51 days