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.
Verbal Reasoning
Data Sufficiency
Difficulty: Easy
Choose an option
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AStatement I alone is sufficient, but Statement II alone is not sufficient.
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BStatement II alone is sufficient, but Statement I alone is not sufficient.
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CBoth statements I and II together are sufficient, but neither alone is sufficient.
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DEither statement I or statement II alone is sufficient.
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EEven both statements I and II together are not sufficient.
Answer
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.