Answers

2014-08-05T15:28:25+05:30
No. of bulbs produced by a factory in one week = 228 bulbs...... No. of weeks in a year = 49 weeks .......................................... .No. of bulbs produced in one year by the factory = 228× 49....... =11172 energy bulbs.
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2014-08-05T21:39:03+05:30