Q:

Study the following question and decide which of the statements is/are sufficient to answer the question.
Question:
What is the total age of Nakul and Dwij?
Statements:
1. Nakul is 12 years old today.
2. Dwij is younger to Nakul by 3 years.

• 1
  Statement 1 and 2 together are insufficient.
• 2
  Statements 1 and 2 together are sufficient.
• 3
  Statement 1 alone is sufficient.
• 4
  Statement 2 alone is sufficient.