Sharpkop

Maths Paper 1, November 2024, question 12.2

Maths P1 · Probability and counting
InformationHideShow
A security pass has 4 characters in the pattern letter | digit | letter | digit. The characters come from the 26 letters of the alphabet and the digits 0 to 9.
12.24 marks
Work out how many different passes can be made under these conditions: • No vowel (A, E, I, O, U) may be used • The first letter cannot be M or N • Within the pass, every letter is different and every digit is different • The last digit must be even

NSCBased on Nov 2024 · Paper 1 · Q12.2

Not yet checked by a teacher. Spot a problem? Report it.

Snap your working

Flat page, good light, all your working.

Page 1 of up to 3
Flat page, good light, all your working.
Free. Your first 3 marks need no account.

What examiners found

The restrictions on the code were not handled. Candidates wrote answers such as 26×10 or used factorials where they do not belong.

In our words. Source: Department of Basic Education, NSC 2024 Diagnostic Report, Part 1 (Book 1), Q12.2.

Updated