Q66. What is the smallest set A such that A ∪ {1, 2} = {1, 2, 3, 4, 5, 9}?Mathematics — FAST Mock 4 — Question 66 of 120A. {2, 3, 4, 5, 9}B. {3, 4, 5, 9}C. {1, 2, 5, 9}D. {1, 2, 3, 5, 9}Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →