In a row of 21 girls, when Maryam was shifted by four places towards the right, she became 12th from the left end. What was her earlier position from the right end of the row?

Answer: 14th
Explanation


Now Maryam was shifted to 4 places to the right.

This implies her place is x+4 from left now, but it is given that her new place is 12th from left.

Now, in a row of 21 girls, her place is 8,

which is 14th place from right.


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