An LED located on the front cover of the smoke detector, manufactured by Whelan Engineering Co., flashes every_______ seconds to indicate the detector is in working order.
A) four
B) five
C) nine
D) ten

Question

Quizplus · Accepted Answer

The question states that the LED flashes every "x" seconds to indicate the detector is in working order. The answer choices are A) four, B) five, C) nine, and D) ten. The only answer choice that is a multiple of four is A) four. Therefore, the correct answer is A) four.

An LED Located on the Front Cover of the Smoke