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Directions for the below question:

Each question is followed by two statements A and B. Answer each question using the below instructions.

  • Mark $(1)$ if the question can be by using statement A alone but not by using statement B alone.
  • Mark $(2)$ if the question can be answered by sing statement B alone but not by using statement A alone.
  • Mark $(3)$ if the question can be answered by using both the statements together but not by using either of the statements alone.
  • Mark $(4)$ if the question cannot be answered on the basis of the two statements.

The average weight of class of $100$ students is $45$ kg. The class consists of two sections, I and II, each with $50$ students. The average weight $W_1$, of section I is smaller than the average weight, $W_{II}$, of section II. If the heaviest student, say Deepak, of section II is moved to Section I, and the lightest student, say Poonam, of Section I is moved to Section II, then the average weights of the then the average weights of the two sections are switched i.e., the average weight of Section I becomes $W_{II}$ and that of Section II becomes $W_I$. What is the weight of Poonam?

  1. $W_{II} – W_I = 1.0$
  2. Moving Deepak from Section II to I (without any move from I to II) makes the average weights of the two sections equal.
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