In a row of girls Divi and Pavi occupy the ninth place from the right end and tenth place from...........

Logical Reasoning(Master ) Ranking and ordering

In a row of girls, Divi and Pavi occupy the ninth place from the right end and tenth place from the left end, respectively. If they interchange their places, then Divi and Pavi occupy seventeenth place from the right and eighteenth place from the left respectively. How many girls are there in the row?

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Explanation:

Rank of Divi is 9th from the right end
Rank of Pavi is 10th from left end

After interchange

Divi becomes 17th from right
Pavi becomes 18th from left
Now, we get Divi’s rank from both the end
So, Total person = 10 + 17 – 1 = 26 using (Total person= left + right -1)

Hence, option 3 is the correct answer.

We get Pavi’s rank from both the end
So, Total person = 9 + 19 – 1 = 26