2. Sample Papers
  3. 10th Class
  4. Science

10th Class Science Sample Paper Science Sample Paper-3

  • question_answer
    A electrical appliance of 0.5 kilowatt runs for 10 hours a day, the cost of electrical energy to operate it for 30 days is ______, if the rate of electrical energy is Rs. 2 per kwh.

    A) Rs. 250 

    B) Rs. 300      

    C) Rs. 500 

    D) Rs. 400

    E) None of these

    Correct Answer: B

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