Data Sufficiency — Row length: How many children are there in a single row facing North? Statement I: Vishakha, who is fifth from the left end, is eighth to the left of Ashish, who is twelfth from the right end. Statement II: Rohit is fifth to the left of Nisha, who is seventh from the right end and eighteenth from the left end. Decide which statements are sufficient to answer the question. Choose the correct sufficiency option.

Difficulty: Easy

Correct Answer: Either statement I or statement II alone is sufficient.

Explanation:

Using Statement IVishakha is 5th from left and 8 left of Ashish ⇒ Ashish is (5 + 8) = 13th from left.Ashish is 12th from right ⇒ Total = 13 + 12 − 1 = 24.

Using Statement IINisha = 7th from right and 18th from left ⇒ Total = 18 + 7 − 1 = 24.

ConclusionEither statement alone gives the total count.

Final AnswerEither statement I or statement II alone is sufficient.

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