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 Post subject: Maths Q help!!Posted: Thu Dec 19, 2013 8:54 pm

Joined: Wed Nov 02, 2011 9:45 pm
Posts: 118
Hello all

I need some help with the following puzzles:

ABA=3000
CCBCC=2000
DDBDC=1400
DBCA=?

FIND THE DIGIT WHERE:

-THE FIRST DIGIT IS ONE MORE THAT THE SECOND
-THE SECOND DIGIT IS ONE MORE THAN THE THIRD
-THE THIRD DIGIT IS ONE MORE THAN TE FOURTH
-THE FOURTH DIGIT IS ONE MORE THAN THE FIFTH
-THE SUM OF ALL DIGITS IS 35.

SALLY MADE FOUR BRACELETS ON MONDAY, TWICE AS MANY ON TUESDAY AND THEN ONE THIRD OF THE TOTAL MADE ON MONDAY TUESDAY AND WEDNESDAY. EMMA MADE TWICE AS MANY BRACELETS AS HER FRIEND. HOW MANY DID THEY MAKE IN TOTAL.

THANKS

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 Post subject: Re: Maths Q help!!Posted: Thu Dec 19, 2013 11:00 pm

Joined: Mon Aug 22, 2011 8:20 pm
Posts: 1706
Location: Warwickshire
Roz12 wrote:
SALLY MADE FOUR BRACELETS ON MONDAY, TWICE AS MANY ON TUESDAY AND THEN ONE THIRD OF THE TOTAL MADE ON MONDAY TUESDAY AND WEDNESDAY. EMMA MADE TWICE AS MANY BRACELETS AS HER FRIEND. HOW MANY DID THEY MAKE IN TOTAL.

4 on Monday
8 on Tuesday (12 so far)
if Wednesday is 1/3 of the total, Monday+ Tuesday (12) must be 2/3 - so 6 on Wednesday.
Total 18

So Emma made 18 x 2 = 36

Total between them = 18+36 = 54

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 Post subject: Re: Maths Q help!!Posted: Thu Dec 19, 2013 11:05 pm

Joined: Wed Jul 31, 2013 4:03 pm
Posts: 1379
Roz12 wrote:
FIND THE DIGIT WHERE:

-THE FIRST DIGIT IS ONE MORE THAT THE SECOND
-THE SECOND DIGIT IS ONE MORE THAN THE THIRD
-THE THIRD DIGIT IS ONE MORE THAN TE FOURTH
-THE FOURTH DIGIT IS ONE MORE THAN THE FIFTH
-THE SUM OF ALL DIGITS IS 35.

98765

35/5 (no of digits) = 7 therefore 7 is the middle (third) digit. Add / subtract one to find the others.

JD

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 Post subject: Re: Maths Q help!!Posted: Fri Dec 20, 2013 10:36 am

Joined: Fri Oct 11, 2013 8:55 am
Posts: 500
I don't get the first one. Does it mean "A times B times A = 3000" etc or is it some sort of code?

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 Post subject: Re: Maths Q help!!Posted: Fri Dec 20, 2013 8:41 pm

Joined: Wed Nov 02, 2011 9:45 pm
Posts: 118
It in a table I presume its a code Q?

Working out value of A B C D?

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 Post subject: Re: Maths Q help!!Posted: Fri Dec 20, 2013 9:41 pm

Joined: Sat Aug 10, 2013 11:46 am
Posts: 188
If it is in a table it is probably referring to the sum of the numbers.

From the last line (D+C+B)+A=?
From the line above(D+C+B)+2D=1400
So it is a case of finding the difference between A and 2D

From lines 2 and 3, 3C=3D+600
So C=D+200

From lines 1 and 2, 2A=4C+1000
Substituting for C, 2A=4D+800+1000
So A=2D+900

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 Post subject: Re: Maths Q help!!Posted: Fri Dec 20, 2013 10:43 pm

Joined: Tue Jul 21, 2009 9:56 pm
Posts: 8228
Well that looks likely. Your version of the question Roz was very mystifying indeed!

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