Read the question and two statements given below.
Question:
Neeta has 6 pens of two different colours. Can we tell how many black pens he has?
Statements:
1. There are 4 red pens
2. He bought those pens yesterday.
Which statement is sufficient to answer the given question?
1
Statements 1 and 2 both are not sufficient.
2
Statement 2 alone is sufficient.
3
Statements 1 and 2 both are sufficient.
4
Statement 1 alone is sufficient.