Decide whether the given statements are sufficient to answer the question.
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Q1 · Data Sufficiency · EASY
Question: What is the age of Rahul? Statement I: Rahul is 5 years older than his brother Amit. Statement II: Amit's age is 20 years.
Q2 · Data Sufficiency · MEDIUM
Question: In which direction is point Q with respect to point P? Statement I: Point P is 10 m to the west of point R. Point Q is 8 m to the north of point R. Statement II: Point S is 6 m to the south of point P. Point Q is 14 m to the north of point S.
Q3 · Data Sufficiency · MEDIUM
Question: What is the average salary of five employees A, B, C, D, and E? Statement I: The total salary of A and B is Rs 60,000. The total salary of C, D, and E is Rs 90,000. Statement II: The average salary of A, B, and C is Rs 28,000.
Q4 · Data Sufficiency · HARD
Question: Six persons P, Q, R, S, T, and U are sitting in a row facing north. Who is sitting at the extreme left end? Statement I: P is sitting second from the left. Q is sitting third to the right of P. Statement II: R is sitting second from the right. T is sitting to the immediate left of R.
Q5 · Data Sufficiency · MEDIUM
Question: Is x² > y²? Statement I: x > y Statement II: x and y are both positive integers.