Juhi's position from the left In a row of students is 12th and Rakhi's position from the right is 20th. After interchanging their positions, Juhi 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 the above
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Solution
The correct option is C 41 The number of students in the row, = 20 + 22 - 1 = 41