Read the given question and decide which of the following statements is/are sufficient to answer the question.
Question:
Y, U and K are three patients waiting at a dentist. Who will the doctor attend first based on first-come-first-serve basis?
Statements:
1. Y arrives after K and U.
2. K arrives before U.1
Statement 1 alone is sufficient.
2
Statements 1 and 2 together are insufficient.
3
Statement 2 alone is sufficient.
4
Statements 1 and 2 together are sufficient.