CA Foundation · Quantitative Aptitude · Seating Arrangements
In a row of 40 persons all facing north, Mohan is 14th from the left end and Sohan is 9th from the right end. How many persons sit between Mohan and Sohan?
17 persons sit between them. Sohan, 9th from the right in a row of 40, is 32nd from the left. Counting the seats strictly between the 14th and 32nd positions gives 32 - 14 - 1 = 17 persons.
- A16
- B17Correct
- C18
- D19
Explanation
Sohan's position from the left is 40 - 9 + 1 = 32. Persons between Mohan (14th) and Sohan (32nd) = 32 - 14 - 1 = 17. The option 18 comes from subtracting 32 - 14 without removing Mohan's own place.
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