Câu hỏi trắc nghiệm (10 câu):
-
- A. \(\frac{1}{{30}}\)
- B. \(\frac{1}{{5}}\)
- C. 6
- D. \(\frac{1}{{6}}\)
-
- A. \(\frac{1}{{30}}\)
- B. \(\frac{1}{{5}}\)
- C. 6
- D. \(\frac{1}{{6}}\)
-
- A. \(\frac{1}{{40}}\)
- B. \(\frac{8}{{3}}\)
- C. \(\frac{3}{{8}}\)
- D. \(\frac{1}{{8}}\)
-
- A. \(\frac{1}{{40}}\)
- B. \(\frac{1}{{4}}\)
- C. 4
- D. \(\frac{1}{{8}}\)
-
- A. \(\frac{5}{6}\)
- B. \(\frac{1}{6}\)
- C. \(\frac{2}{3}\)
- D. \(\frac{1}{3}\)
-
- A.
- B. 36
- C. 216
- D. 108
-
- A. \(\frac{{25}}{{216}}\)
- B. \(\frac{1}{8}\)
- C. \(\frac{1}{6}\)
- D. \(\frac{1}{3}\)
-
- A. \(\frac{1}{2}\)
- B. \(\frac{3}{8}\)
- C. \(\frac{7}{9}\)
- D. \(\frac{4}{5}\)
-
- A. \(\frac{2}{5}\)
- B. \(\frac{5}{9}\)
- C. \(\frac{2}{9}\)
- D. \(\frac{7}{9}\)
-
- A. \(\frac{1}{{12}}\)
- B. \(\frac{1}{{6}}\)
- C. \(\frac{11}{{21}}\)
- D. \(\frac{11}{{24}}\)