The number of neon lamps having a life of 500 hours or more but less than 800 hours is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 225
| Understanding/Application |
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A/q- Given the bar graph. 500 = 60 600 = 75 700 = 90 There are only 3 bars which lay between 500-800. number of neon lamps having a life of 500 hours or more but less than 800 hours = 60 + 75 + 90 = 225 |
