Hard2 marks

Permutation, Combination & Probability

Counting principles and likelihood of events.

4 Topics

15h prep

5.7% subject weight

4 Topics

1

Permutation

Arrangements where order matters.

1m 18 PYQs4/10

📌 Key FormulanPr = n! / (n-r)!

2

Combination

Groups where order doesn't matter.

1m 22 PYQs4/10

📌 Key FormulanCr = n! / r!(n-r)!

3

Types of Probability

Classical, Empirical, and Subjective.

1m 12 PYQs3/10

📌 Key FormulaΣP = 1

4

Probability of an Event

Calculating the chance of specific outcomes.

1m 25 PYQs4/10

📌 Key FormulaP(E) = Fav Outcomes / Total Outcomes

Hard2 marks

Permutation, Combination & Probability

Counting principles and likelihood of events.

4 Topics

15h prep

5.7% subject weight

4 Topics

1

Permutation

Arrangements where order matters.

1m 18 PYQs4/10

📌 Key FormulanPr = n! / (n-r)!

2

Combination

Groups where order doesn't matter.

1m 22 PYQs4/10

📌 Key FormulanCr = n! / r!(n-r)!

3

Types of Probability

Classical, Empirical, and Subjective.

1m 12 PYQs3/10

📌 Key FormulaΣP = 1

4

Probability of an Event

Calculating the chance of specific outcomes.

1m 25 PYQs4/10

📌 Key FormulaP(E) = Fav Outcomes / Total Outcomes