CSAT 2021

Q. Consider two Statements and a Question:
Statement-1: Priya is 4 ranks below Seema and is 31st from the bottom.
Statement-2: Ena is 2 ranks above Seema and is 37th from the bottom.

Question: What is Seema’s rank from the top in the class of 40 students?

Which one of the following is correct in respect of the Statements and the Question?
(a) Statement-1 alone is not sufficient to answer the Question
(b) Statement-2 alone is not sufficient to answer the Question
(c) Either Statement-1 alone or Statement-2 alone is sufficient to answer the Question
(d) Both Statement-1 and Statement-2 are required to answer the Questions.
Correct Answer: (c) Either Statement-1 alone or Statement-2 alone is sufficient to answer the Question

Question from UPSC Prelims 2021 CSAT Paper

Explanation : 

Priya is 4 ranks below seema

Statement-1: Priya is 4 ranks below Seema and is 31st from the bottom.
In a class of 40 students, Seema’s rank is 31 + 4 = 35th.

Statement-2: Ena is 2 ranks above Seema and is 37th from the bottom.
In a class of 40 students, Seema’s rank is 37 – 2 = 35th.

Either Statement-1 alone or Statement-2 alone is sufficient to answer the question.

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