Decorative bulbs are hung in a line. A red bulb is 5th from left, and a blue bulb is 8th from right. If there are 20 bulbs total, how many bulbs are between red and blue?
Show answer & explanation
Correct answer: C
Explanation
Number of bulbs between red bulb and blue bulb = Total bulb – (position of red bulb + position of blue bul(2)
= 20- (5+8)
= 20-13= 7
Option (3) is the correct answer.