Question
A question is given, followed by two statements numbered
(I) and (II). You have to decide whether the data provided in the statements is sufficient to answer the question. Read both the statements and select the appropriate answer. Question: Six people sit in two parallel rows. In Row 1 - J, K and L sit facing towards north, and in Row 2 - F, G and H sit facing towards south. Each person in a row faces a person in the other row. Who faces G? Statements: (I) H faces K; L faces an immediate neighbour of H. (II) G sits at one of the extreme ends of the row; J sits to the immediate left of L.Solution
From I and II. Row - 2 Facing South Row - 1 Facing North J faces G. Hence data in statements I and II together is sufficient to answer the question
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  def mystery(a, b):
    if a == 0:
      return b
    e...