Science, asked by kiran8169, 8 months ago

pls answer I will mark brainlist I promise ​

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Answered by Anonymous
10

Answer:

A. Time= 6 x 31 =186

P=40W

  • E=pt
  • E= 40 /1000 x 186
  • =7.44
  • Cost=2.50 x 7.44

= ₹18.6

  • Rest will be done in the same way.
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