Solar lamps line a garden path. The 6th lamp from one end is defective. If there are 15 lamps total, what is its position from the other end?
Show answer & explanation
Correct answer: B
Explanation
Total lamps = 15
Lamp broken from one end = 6th
Formula for finding position from the other end: Position from the other end = Total - Position from the first end + 1
= 15 - 6 + 1
= 10
That lamp will be 10th from the other end.