An easy question on combinations for P1–P2, with a step-by-step solution, diagrams and the answer. Counting arrangements and choices appears in the Hua Xia Cup from the P1 and P2 first rounds to the P5 finals.
The question
A cha chaan teng's breakfast has 2 kinds of bread and 2 kinds of drink.
Ming orders one bread and one drink.
How many different combinations are there?
Show the hints (2)
💡Hint 1: Fix one bread. How many kinds of drink can go with it?
💡Hint 2: Every bread goes with 2 kinds of drink. A table or lines help you count.
Worked solution
Have a go first, then read the solution step by step.
1.Each bread goes with 2 kinds of drink, and there are 2 kinds of bread.
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