Question 7
A box has $6$ red, $7$ yellow, $2$ white and $5$ black marbles. What is the least number drawn without looking to guarantee all four colours?
SEAMO X 2020 — Paper B — Grade 3–4 Question 7
SEAMO · SEAMO X 2020 — Paper B — Grade 3–4
SEAMO · SEAMO X 2020 — Paper B — Grade 3–4