In a row of 40 girls, when Purnima was shifted to her left by 4 places, her number from the left end of the row became 10. What was the position of Swati from the right end of the row if Swati was three places to the right of Purnima's original position?
In a row of 40 girls, when Purnima was shifted to her left by 4 places, her number from the left end of the row became 10. What was the position of Swati from the right end of the row if Swati was three places to the right of Purnima's original position?
Solution
Let Purnima's original position from the left be .
When Purnima shifts to her left by 4 places, her position number from the left decreases by 4.
Her new position from the left =
Given that her new position from the left is 10:
Purnima's original position from the left end was 14.
Swati was three places to the right of Purnima's original position.
Being to the right means a higher position number from the left.
Swati's position from the left =
Total number of girls in the row = 40
To find position from the right end when position from left is known:
Position from right = Total girls - Position from left + 1
Position from right =
Position from right =
Therefore, Swati's position from the right end of the row is 24th.
The answer is Option 3: 24th.
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