Consider the given question and decide which of the following statements is sufficient to answer the question.
When did Mr. Y purchase his car?
Statements:
1. Certainly before 18th August but not before 15th August.
2. Certainly after 16th August but not later than 19th August.
1
Both statement 1 and 2 are sufficient
2
Either statement 1 or 2 is sufficient
3
Statement 2 alone is sufficient while statement 1 alone is insufficient
4
Statement 1 alone is sufficient while statement 2 alone is insufficient