UPSC Prelims 2015·CSAT·Logical Reasoning·Deductive Logic

Examine the following statements: 1) Lady's finger is tastier than cabbage. 2) Cauliflower is tastier than lady's finger. 3) Cabbage is not tastier than peas. The conclusion that can be drawn from these statements is that

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  1. Apeas are as tasty as lady's finger
  2. Bpeas are as tasty as cauliflower and lady's finger
  3. Ccabbage is the least tasty of the four vegetables
  4. Dcauliflower is tastier than cabbage.Correct

Explanation

Let's break down the statements and establish relationships: 1) Lady's finger (L) is tastier than cabbage (C). This can be written as: L > C 2) Cauliflower (F) is tastier than lady's finger (L). This can be written as: F > L 3) Cabbage (C) is not tastier than peas (P). This means peas are tastier than or equally tasty as cabbage. This can be written as: P >= C Now, let's combine the first two statements: From (1) L > C From (2) F > L Combining these, we get a clear hierarchy: F > L > C. This means Cauliflower is tastier than Lady's finger, which is tastier than Cabbage. Now let's evaluate the options based on these relationships: A) peas are as tasty as lady's finger (P = L) We know F > L > C and P >= C. We don't have enough information to conclude that P = L. Peas could be tastier than C but less tasty than L, or equally tasty as C, or even tastier than L. This is not a definite conclusion. B) peas are as tasty as cauliflower and lady's finger (P = F and P = L) This would imply P = F = L. However, we know F > L, which contradicts this statement. So, this option is false. C) cabbage is the least tasty of the four vegetables We know F > L > C. So, Cabbage is the least tasty among F, L, and C. We also know P >= C. If P > C, then C is indeed the least tasty. If P = C, then C is tied with P for the least tasty, meaning it's not *strictly* the least tasty (as P is equally least tasty). Since a conclusion must be definitively true, and "least tasty" usually implies strictly less tasty, this option is not always true. D) cauliflower is tastier than cabbage. From our combined hierarchy (F > L > C), it directly follows that Cauliflower (F) is tastier than Cabbage (C). This is an undeniable conclusion derived directly from statements 1 and 2. Therefore, option D is the correct conclusion. The final answer is D
Logical Reasoning: Examine the following statements: 1) Lady's finger is tastier than cabbage. 2) Cauliflower is tastier than lady's finger

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