The bar graph given below provides information about the lifetime (in hours) of neon lamps. study the given bar graph and answer the question that follows. The number of neon lamps that have a life of 600 hours or more but less than 900 hours is:

180 245 270 305

245

⇒ Number of neon lamps with life 600 hours or more but less than 900 hours = 75 + 90 + 80 = 245