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Fun question on arithmetic and logic

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Fun question on arithmetic and logic [#permalink] New post 12 Sep 2009, 23:30
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

100% (01:59) correct 0% (00:00) wrong based on 1 sessions
Another fun question. Guys, this is classics from the childhood :)

If a chicken and a half can lay an egg and a half in a minute and a half. How many eggs would three chickens lay in three minutes?

A)2
B)3
C)6
D)8
E)9

[Reveal] Spoiler: OE:
С) 6. Explanation: Three chickens would lay three eggs in a minute and half, hence in three minutes they would lay six eggs.


P.S. Another possible way of looking on the problem: The answer is 0, because if you have a chicken and a half, the chickens are dead :-D
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Re: Fun question on arithmetic and logic [#permalink] New post 13 Sep 2009, 00:37
Expert's post
Spending 15 seconds on this question, I am hesitating between 8 and 9.

My gut tells me 8 and my head tells me 9.

[Reveal] Spoiler:
I will go with 9, E :)

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Re: Fun question on arithmetic and logic [#permalink] New post 13 Sep 2009, 00:41
I would go with C (6 eggs) :?
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Re: Fun question on arithmetic and logic [#permalink] New post 13 Sep 2009, 05:47
This is a classical work problem.
1,5 chickens lay 1,5 eggs in 1,5 minutes
that means
3 chickens lay 3 eggs in 1,5 minutes
and that means
3 chickens lay 6 eggs in 3 minutes
;)
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Re: Fun question on arithmetic and logic [#permalink] New post 13 Sep 2009, 08:07
\frac{3}{2} chickens = \frac{3}{2} eggs / \frac{3}{2}minutes
=> 2* \frac{3}{2} chickens = 2* \frac{3}{2} eggs / \frac{3}{2}minutes -- Multiply by 2 both sides

=> 3 chickens = 2*3 eggs/2*\frac{3}{2} minutes -- Multiply by 2 in the right hand side( both numerator and denominator)

=> 3 chickens = \frac{6 eggs}{3 minutes}

Hence, answer is 6.
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Re: Fun question on arithmetic and logic [#permalink] New post 13 Sep 2009, 09:16
timetrader wrote:
Another fun question. Guys, this is classics from the childhood :)

If a chicken and a half can lay an egg and a half in a minute and a half. How many eggs would three chickens lay in three minutes?

A)2
B)3
C)6
D)8
E)9

[Reveal] Spoiler: OE:
Will be posted later


P.S. Another possible way of looking on the problem: The answer is 0, because if you have a chicken and a half, the chickens are dead :-D


Maybe the single alive chicken increases rate of production looking at the half dead chicken. Either make some more eggs or be someone's lunch! :-D

Anyway, back to the problem, I go with 6.
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Re: Fun question on arithmetic and logic [#permalink] New post 13 Sep 2009, 14:07
Expert's post
Was I the only person who fell for 8 or 9?
:lol:
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Re: Fun question on arithmetic and logic [#permalink] New post 13 Sep 2009, 14:28
bb wrote:
Was I the only person who fell for 8 or 9?
:lol:



But, you took 15 seconds only , and i am sure we, all took more than that.. :) :)..
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Re: Fun question on arithmetic and logic [#permalink] New post 13 Sep 2009, 14:40
I feel for 9 initially too!
Re: Fun question on arithmetic and logic   [#permalink] 13 Sep 2009, 14:40
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