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[" Q.14An electric lamp is marked "60W,2...

[" Q.14An electric lamp is marked "60W,230V" .The cost of "a1kWh],[" of energy is "₹1.25." The cost of using this lamp "8hrs" a day "],[" for "30" days is (approximately) "],[[" (a) "₹10," (b) "₹16],[" (c) "₹18," (d) "₹20]]

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