Q25) Ruchi's mother was selling old newspapers to ragpicker. Whwn ragpicker was weighing the newspapers, Ruchi saw that he had kept something below the pan of balance while balancing. She asked ragpicker to show her below the balance. Realising that he had been caught, he started apologising and removed the magnet which he had placed below the pan. What values do you attribute to Ruchi? (ii) If the initial reading on the scale is( 2+ 0.2)kg and final reading is (36+0.3) kg, calculate the increase in mass with proper error limits.
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