Question

Any one knows the answer for the 25th question​

Answer 1

Answer:

I know only 1st answer

Explanation:

1. power of 1 electric bulb = 100w=0.1kw

energy =0.1 × 5 =0.5kwh

power of 2 bulb =60w=0.06kw energy for 4 bulbs= 0.06×4×53D1.2 kwh

total energy= 0.5+1.2=1.7kwh

in month of jan ,total energy=1.7*31=52.7kwh

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