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Nigalius

Madras
Regular Member
yes I had noticed but the different closeness of the springs can represent any denomination that equals 4 so it could be 65 - 61 for example or the set together could represent a number and the two separate may be a result of a sum but this will not let us know the value of the single spring
just to keep your mind ticking all night Nigel what if the first set has the value of Four and the last set has the value of 0 then the single spring has the possibility of representing any number including 0 so the answer could be 50 or even five, there must be some logic that we are missing to solve this
I agree Michael but the first image cannot be separated, therefore the second image is the only one that can be separated and therefore, a single shock could be 1/2 or 1.1/2? The only 2 answers then possible would be 55 or 65. I love this kind of puzzle.
 

Michael Reynolds

Regular Member
I agree ok I thought 55 may of been the answer but then I worked out so many different answers including 65. soon I will find so many answers so my thoughts will be what numbers cant I make up as its bound to be one of them Ha Ha
 

DizzyBlue

Administrator
Staff member
Admin
If a piston is 10 (10 + 10 + 10 = 30)
Then a piston plus two tyres has to be each tyre at 5 each (so 10 + 5 + 5 = 20)
So next line is a tyre (5) and then two sets of two spark plugs would have to be the remainder of the equation which is two lots of 2 to make 9 (5 + 2 + 2 = 9)
Final picture would mean that one tyre plus one spark plug timed by a piston would be 5 + 1 x 10 = 60
:thinking:
 

dianaT

Moderator
Staff member
Moderator
Have you all had a go? No one got it right.
The answer (and no I never got it right ) is:
And No I still don't understand it either!
**********************************

Each piston has a value of 10x3 = 30
Each tyre has a value of 5 so 10+5+5=20
Each spark plug has a value of 2 so 5+2+2=9
Bottom line you do a multiplication first. So 2x10=20 + the tyre whose value is 5 so the answer is 25.

It's the BODMAS rule:
Rules of Ordering in Mathematics - BODMAS
  • Brackets (parts of a calculation inside brackets always come first).
  • Orders (numbers involving powers or square roots).
  • Division.
  • Multiplication.
  • Addition.
  • Subtraction.
 

Nigalius

Madras
Regular Member
That is brilliant @dianaT . I dont understand either. But, I have a friend who is a university teacher on maths (not arithmatic) and I will ask him to explain in lingo that I can understand. I will also have it explained what BODMAS rule is as well. I have heard of it but dont have the foggiest.

Nice one.
 

Michael Reynolds

Regular Member
Now I am even more confused @dianaT as I cannot see any spark plugs, only springs. ok I made the mistake of thinking the value of the springs are all different instead of being the same value but I did enjoy that one, Heather made the same mistake but was also on the correct line of thought
 
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dianaT

Moderator
Staff member
Moderator
Hope its helps:

Row 1

Piston plus piston plus piston

ergo each piston must be worth 10



Row 2

Piston (10) plus tyre plus tyre = 20

So 20 minus two tyres must be 10

So 1 tyre must equal 5



Row 3

Tyre (5) plus damper plus damper = 9

So 9 minus 5 must be 4

So 1 damper must be 2



At this point the sums are

Row 1: 10+10+10=30

Row 2: 10+5+5 = 20

Row 3: 5+2+2=9



At this point we need to refer to standard mathematical formulae for calculating mixed sums.

You must work out each part of the sum in a specific order namely:

BODMAS:

B – Brackets

O - Orders (numbers involving powers or square roots) aka ‘Of’

D – Division

M – Multiplication

A – Addition

S – Subtraction



In row 4 we have just two of these signs, addition and multiplication. Following the rules the multiplication is carried out first so:

Damper ( 2) times piston (10) equals 20.

Next the addition.

Tyre (5) plus 20.

The final total, the unknown quantity, equals 25



To properly calculate the bottom row the multiplication is done BEFORE the addition.















p { margin-bottom: 0.25cm; line-height: 120%; }
 

DizzyBlue

Administrator
Staff member
Admin
I understand the BODMAS ruling.... but there are no brackets in the picture …. :thinking:
Totally clear as mud! :risas3:

Edited to add no idea why I am looking for brackets lmao

so what they are saying is that do the multiplying first …. then the addition to end up with the answer …. ok now I am with Heather on this only one of those springy things / spark plug weirdo picture and not two joined together so still not getting the answer they are either :nut:
 
Im sorry but its 15
There is only one, not two
It just dawned on me all of a sudden that you multiply first and that's when I got 15

The springy thing... There is two on the other rows, on the last row there is only a single one, making the value 1 now and not 2
Screenshot_20190221-085712~2.png
 
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