Question

Multiple Choice ( Select 1 out of 4 options, for the question below.)
Ram is on the middle step of a ladder. He moves 9 steps up, then 13 steps down and finally 15 steps up to reach the top of ladder, the number of steps in
ladder is
Options
30
23
40
41​

Answer 1

Answer:

Exposure to prolonged or excessive noise has been shown to cause a range of health problems ranging from stress, poor concentration, productivity losses in the workplace, and communication difficulties and fatigue from lack of sleep, to more serious issues such as cardiovascular disease, cognitive impairment, tinnitus