Speed as well as accuracy is important in this section. Work quickly, or you might not finish the paper. There are no penalties for incorrect responses, only marks for correct answers, so you should attempt all questions. Each question is worth one mark.

Calculators are NOT permitted.

Here you will find all TSA Pin Code questions that have been written 2008-2019.

I have so many four digit code numbers to remember that I cannot keep them all in my The banks say you should not write down your Personal Identification Numbers (PINs) for cash and credit cards and keep them in a wallet with the cards. So I can find out what the numbers are, I have devised a code which should be complicated enough to confuse any thief who steals my wallet. I code all the numbers using 1=A, 2=B up to 9=I, 0=J. Then I write the coded numbers down backwards so 1234 is written DCBA. Finally at the end of each coded number I add an extra letter between A and J to say what that particular code is of: C is for credit card; F is for phone card; B is for bicycle lock combination; E is for my Eastern Bank card and D is for my Denton Building Society card.

My list looks as follows:

A

D G E F
C J D B

E

B

G F A C
G J A C

D

D

F G C

B

7. What is my bicycle lock combination?
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    Explanation

    The correct answer is E.

    We need to work backwards, starting with the final step used to make the code. Because at the end of each coded number he adds an extra letter, and ‘B’ is for bicycle, the 5th code in the list is for bicycle as it ends in ‘B’. We then need to write the remaining for letters of the code in the reverse order, so ‘DFGC’ would become ‘CGFD’. We then need to find the number each letter represents by finding their positions in the alphabet: C=3, G=7, F=6, D=4. So the code would be 3764, which is answer E.

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