UPSC Prelims 2013·CSAT·Logical Reasoning·Deductive Logic

Geeta is older than her cousin Meena, Meena's brother Bipin is older than Geeta. When Meena and Bipin visit Geeta, they like to play chess. Meena wins the game more often than Geeta. Based on the above information, four conclusions, as given below, have been made. Which one of these logically follows from the information given above?

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  1. AWhile playing chess with Geeta and Meena, Bipin often loses
  2. BGeeta is the oldest among the three
  3. CGeeta hates to 10 the game
  4. DMeena is the youngest of the three.Correct

Explanation

Here's a breakdown of the information and options: Information given: 1. Geeta is older than Meena. (Geeta > Meena) 2. Bipin is older than Geeta. (Bipin > Geeta) 3. They play chess, and Meena wins more often than Geeta. (This information is about chess skills, not age). From statements 1 and 2, we can establish the age order: Bipin is older than Geeta, and Geeta is older than Meena. So, the order from oldest to youngest is: Bipin > Geeta > Meena. Now let's evaluate the options: A) While playing chess with Geeta and Meena, Bipin often loses. This cannot be concluded. The information only states Meena wins more often than Geeta. Bipin's chess performance is not mentioned. B) Geeta is the oldest among the three. This is incorrect. Based on our deduction, Bipin is the oldest. C) Geeta hates to lose the game. This cannot be concluded. The information only states Meena wins more often than Geeta; it doesn't give any insight into Geeta's feelings about losing. D) Meena is the youngest of the three. This is correct. Our derived age order (Bipin > Geeta > Meena) clearly shows that Meena is the youngest. Therefore, D logically follows from the given information.
Logical Reasoning: Geeta is older than her cousin Meena, Meena's brother Bipin is older than Geeta. When Meena and Bipin visit Geeta, they

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