13 students are standing in a horizontal row from left to right. If al...
Solution:
Given, there are 13 students in a horizontal row and a boy who was seventh initially.
Let's represent the initial positions of students as follows:
1 2 3 4 5 6 7 8 9 10 11 12 13
If all the odd-numbered students in a row are shifted to the successive odd-numbered positions, then the new positions of the students will be as follows:
1 3 5 7 9 11 13 2 4 6 8 10 12
Now, we need to find the position of the boy who was seventh in the row initially.
The boy who was seventh in the row initially will now be at the fifth position from the right end.
Hence, the correct answer is option B, i.e., fifth from the right.
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Solution:
Given, there are 13 students in a horizontal row and a boy who was seventh initially.
Let's represent the initial positions of students as follows:
1 2 3 4 5 6 7 8 9 10 11 12 13
If all the odd-numbered students in a row are shifted to the successive odd-numbered positions, then the new positions of the students will be as follows:
1 3 5 7 9 11 13 2 4 6 8 10 12
Now, we need to find the position of the boy who was seventh in the row initially.
The boy who was seventh in the row initially will now be at the fifth position from the right end.
Hence, the correct answer is option B, i.e., fifth from the right.