Mathematics · Data Sufficiency
A question is followed by three statements labeled I, II, and III. Decide if these statements are sufficient to conclusively answer the question. Question: The average number of cakes sold on Monday, Tuesday, and Wednesday is 45. Find the difference between the total number of cakes sold on Monday and Wednesday together, and the total number of cakes sold on Thursday, Tuesday, and Saturday together. I: The total number of cakes sold on Thursday and Friday is 135. II: The average number of cakes sold from Monday to Friday is more than 100. III: The total number of cakes sold on Tuesday and Saturday is 110.
- 1All three statements together are sufficient✓
- 2Only II and III together are sufficient
- 3Only I and II together are sufficient
- 4Only I and III together are sufficient
Correct answer
All three statements together are sufficient
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