Question : In a box containing 45 bulbs, 12 are found to be defective. What is the ratio of the good bulbs to the total bulbs in the box?
Option 1: 8 : 13
Option 2: 5 : 8
Option 3: 7 : 11
Option 4: 11 : 15
Answer (1)
14th Jan, 2024
Correct Answer: 11 : 15
Solution :
Given: Total bulbs = 45
Defective bulbs = 12
Good bulbs = 45 – 12 = 33
$\therefore$ The ratio of the good bulbs to the total bulbs = 33 : 45 = 11 : 15
Hence, the correct answer is 11 : 15.
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