Question
How many persons are sitting in the row (assuming all
are facing north)? Statement I: Sanjiv sits 5th from the right end of the row. Rinku sits 11th from the left end of the row. Statement II: Tanish sits 6th from the left end. Rinku sits 3rd to the left of the one who is 7th from the right end. The question given below consists of two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the statements and give answerSolution
From statement I: No proper information is given. From statement II: No proper information is given. From I and II together, it is clear that there are 20 persons sitting in the row.
If n(A) = 25, n(B) = 40 and n(A βͺ B) = 50, then n(A β© B) equals
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