In a row of girls, Shilpa is eighth from the left and Reena is seventeenth from the right. If they interchange their positions, Shilpa becomes fourteenth from the left. How many girls are there in the row?

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In a row of girls, Shilpa is eighth from the left and Reena is seventeenth from the right. If they interchange their positions, Shilpa becomes fourteenth from the left. How many girls are there in the row?

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$34^{th}$

$30^{th}$

$37^{th}$

$35^{th}$

answer is C.

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Detailed Solution

Total no. of girls

= [ present position of Shilpa + previous position of Reena ] - 1

$= (14 + 17) - 1 = 30$

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