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Question

Ina a row of children Deepti is ninth from the left and Kashish is thirteenth from the right They exchange their positions and then Deepti becomes seventeenth from the left Find the new position of Kashish from the right end of the row.

A
20th
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B
21th
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C
27th
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D
None of these
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Solution

The correct option is B 21th
Deepti's new position is 17th from left and 13 from right So there are 29 children
Now Kashish new position is Deepti's earlier position x 9th from left
Kashish new position is 21st from right.

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