Question 8

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Question 8

Post by ARK18 on Wed Jul 19, 2017 7:48 pm

What is the answer of Question 8?

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Re: Question 8

Post by Sai1704 on Wed Jul 19, 2017 8:41 pm

Possibly 39, which gives (3x9=27, 2+7=) 9. Not sure of this so please do add if you have got a lower answer.
Also, is it right in assuming that he buys new currency at the start of the day before spending anything?

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Re: Question 8

Post by Arceus on Sun Jul 23, 2017 7:01 pm

It is probably 4 as

Day 1
Max will know that Jenny can see at least 1 steel bar.
Jenny will think if Max had seen 18/19 bars, he would have answered 20 but he saw less than that, so he must have seen at most 17.
Day 2
Max will know that Jenny can see at least 3 steel bar. Because, if she saw 2 then the max bars could have been 19 giving the answer 18.
Jenny will think if Max had seen 16/17 bars, he would have answered 20 but he saw less than that, so he must have seen at most 15.
Day 3
Max will know that Jenny can see at least 5 steel bar. Because, if he saw 4 then the max bars could have been 19 giving the answer 18.
Jenny will think if Max had seen 14/15 bars, he would have answered 20 but he saw less than that, so he must have seen at most 13.
Day 4
Max will know that Jenny can see at least 7 steel bar. Because, if he saw 6 then the max bars could have been 19 giving the answer 18.
He can see 12. So the answer is 20 and they escape.
So the answer might be 4.

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Re: Question 8

Post by parthpatel12 on Sun Jul 23, 2017 7:01 pm

Hi arceus

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Re: Question 8

Post by parthpatel12 on Sun Jul 23, 2017 7:02 pm

What are the approximate marks that your team will get?

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Re: Question 8

Post by parthpatel12 on Sun Jul 23, 2017 7:02 pm

What are the approximate marks that your team will get?

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Re: Question 8

Post by parthpatel12 on Sun Jul 23, 2017 7:03 pm

What are the approximate marks that your team will get?

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Re: Question 8

Post by Arceus on Sun Jul 23, 2017 9:11 pm

parthpatel12 wrote:What are the approximate marks that your team will get?
No one can actually have an idea until the result arrives !!

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Re: Question 8

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