I wanted to make another one of my James Bond Puzzles so here it is!

One evening when you ate together with the famous James Bond in an ultra fancy and hyper expensive restaurant (he was the one paying of course), he suddenly said :

You know what? For some reason,

I like Math, but I don't like Physics

I like Chemistry, but I don't like Biology

I also like pens, but I hate papers

Oh and I almost forgot, I also don't like rocks

So, what is the reason behind his liking and disliking of random things?

Hint :

Is it really all about letters here?

Hint 2 :

Don't forget to check the numbers Wait, what numbers???

  • When I read "I like pens" I read something else... xD $(+1)$ – user477343 Sep 15 at 9:41
  • 1
    Dude I didn't mean that one lol XD @user477343 – Kevin L Sep 15 at 9:42
up vote 1 down vote accepted

Mr Bond may be fond of

Theory or things that require you to deduce and think about.

He may not like

Things that have a rigidity around them or a physical presence. Physics deal with how objects interact with the space and there is also the rigid body we use in calculations. Biology aka living matter which have a physical presence and so do rocks.


About the pen and paper, here is how I interpret it as. The pen's use is to write and we write on papers. So unless a pen is being used to write, it has no significance other than aesthetics. When it is used on paper, it leaves a physical trace i.e the ink on the paper which is why he does not like it.

Another interpretation can be

Mr Bond likes aesthetics. To some, mathematical formulas and chemical formulas look beautiful. So does a pen. Whereas Biology, Physics and paper are fascinating but aren't exactly what one would consider as beautiful (speaking in terms of the strictly mathematical geekiness here. And Physics problems have math in them. Also look at a paper under a microscope, it's not so smooth as it seems)

Attempt 2 The Correct Answer

Mr Bond likes things which contain total number of letters that are perfect squares. Math = 4 , Chemistry = 9 , pens = 4 letters each which are perfect squares of 2 and 3. Whereas Biology = 7, physics = 7, rocks = 5, papers = 6 which are not perfect squares of anything. This can also be interpreted as Mr Bond likes words with a total number of letters that have a whole integer value as their square root i.e 2 and 3 as stated above.

  • Good answer but still incorrect :D – Kevin L Sep 18 at 4:31
  • Ah well. The last line about the rocks is bugging me a bit. – R.D Sep 18 at 4:34
  • Well, I made that last line since @obl's answer was correct with the old version of the question (Although that wasn't intended) :D – Kevin L Sep 18 at 4:36
  • The one about rocks I mean. It's the odd one out here. – R.D Sep 18 at 4:38
  • 1
    OK thanks for telling me :D – Kevin L Sep 21 at 3:57

James likes

Words whose numerical values add up to an even number
Math = 13 + 1 + 20 + 8 = 42
Physics = 16 + 8 + 25 + 19 + 9 + 3 + 19 = 99
Chemistry = 120
Biology = 85
pens = 54
paper = 75

  • Oh nice answer but still not right :) – Kevin L Sep 15 at 6:53

James Bond doesn't like

Words with repeated letters in them


Physics, Biology, papers


James Bond doesn't have any repeated letters

  • Nope that's not the reason :D – Kevin L Sep 15 at 6:54
  • I've added another line to clarify that yours is not the intended one. Nice try though (+1) – Kevin L Sep 15 at 6:57

My guess is:

James is a chemical engineering Graduate student.


He likes math, but doesn't like applying it. He chose Chemistry because Biology seemed boring, and he hates academic papers. But all Graduate Assistants need a good red pen for grading.

  • James Bond also known to cause lots of explosions – Namyts Sep 14 at 13:58
  • 1
    @Namyts That he is. – Dylan Sep 14 at 13:59
  • Way off track but still a nice answer :D – Kevin L Sep 14 at 14:00
  • @KevinL Im sorry, I coulden't resist. – Dylan Sep 14 at 14:01
  • @Dylan No problem mate since I like creative answers (like yours) :D – Kevin L Sep 14 at 14:13

James Bond like words whose

length is a perfect square.

and dislikes words whose

length is not a perfect square.


Math is 4 letters long. Chemistry is 9. Pens is 4. Both 4 and 9 are perfect squares (of 2 and 3)


Physics is 7 letters long as is Biology. Papers is 6 letters and rocks is 5. None of those numbers are perfect squares.

  • Correct answer but I don't know who answered first? You or R.D. ??? – Kevin L Sep 20 at 14:46
  • Looks like R.D. got it about 20 minutes before I did. Haha didn't even see his edit before. – Luke C. J. Currie Sep 20 at 14:51
  • Ok thanks for telling me. Still, yours was a perfect answer mate :D – Kevin L Sep 21 at 2:31
  • @LukeC.J.Currie Fastest finger first I guess XD. +1 Nevertheless. Better luck next time. – R.D Sep 21 at 3:40

My first guess is that

He likes the formulation of tools used for subjects, but dislikes the subjects which apply those tools.


Maths is the main tool for Physics. Chemistry is a main tool for Biology. Pens are a main tool used for paper.

But I really hope I'm wrong! Since the above doesn't take into account:

Physics is a main tool for chemistry (eg: for calculating electron orbital shapes)

Although knowing me, I'm barking up the wrong tree entirely... :)

  • 1
    Not the correct answer :D – Kevin L Sep 14 at 13:49

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