Math, asked by gurpreetsingh00254, 9 months ago

out of a dozen bulbs 4 were defective . find the percentage of good bulbs

Answers

Answered by rohit50003
14

 \huge \bold \pink{Answer}

1 \: dozen \: of \: bulbs \:  =  \: 12 \: bulbs \\ in \: which \: 4 \: were \: defective. \\  \\ left \: bulbs \:  =  \: 12 \:  - 4 \\  \:  \:  \:  \:  \:  \:  \:  =  \: 8 \: bulbs. \\  \\ percentge \: of \: good \: bulbs \:  \\  =  \frac{8}{12} \times 100 \\  \\  =  \frac{200}{3}  \\  \\  = 66.66 \%

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