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Glossary

Combination

A combination is a selection of objects in which the order does not matter. The number of ways to choose rr objects from nn distinct objects is nCr=n!r!

(n−r)!{}^{n}C_{r}=\frac{n!}{r!\,(n-r)!}. Here ABAB and BABA count as the same combination, since only the group chosen matters.

Meaning

A combination is a selection of objects in which the order does not matter. The number of ways to choose rr objects from nn distinct objects is nCr=n!r!

(n−r)!{}^{n}C_{r}=\frac{n!}{r!\,(n-r)!}. Here ABAB and BABA count as the same combination, since only the group chosen matters.

Where it appears in Add Math

You meet Combination in the Permutation and Combination chapter of SPM Additional Mathematics. Knowing the term precisely matters in the exam: questions often hinge on reading a keyword correctly, and because SPM marking is analytic, using the right definition in your working helps secure method marks.

Our teachers make sure a student can not only recite what Combination means but use it fluently in a full solution.

The term in three languages

Because the SPM Add Math paper is bilingual (BM/EN), it helps to know this term in each language: Combination (EN) · Gabungan (BM) · 组合 (中文)

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Written by the spmaddmath.com.my editorial team.· Last updated 5 September 2026

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