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Quantitative Aptitude

Three Sets Venn Diagram

Jaya's positi...

Question

Jaya's position from the left in a row of students is 12th and Rekha's position from the right is 20th. After interchanging positions, Jaya becomes 22nd from the left. How many students are there in the row?

A

30

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B

31

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C

41

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D

34

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E

None of these

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Solution

The correct option is C 41
The position of Rekha is 20th from the right which is occupied by Jaya after interchanging takes place and Jaya becomes 22nd from the left. Therefore, the total number of student in the row
= (20 + 22) -1 = 41

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