Question

in a factory it was found that for every 15000 light bulbs produced 60 were faulty how many are likely to be found faulty if 6000 are tested​

Answer 1

Answer: 24

Step-by-step explanation:

% of faulty bulbs = 60/15000 x 100 = 6/15 % = 0.4%

so in 6000 bulbs , 6000x 0.4% are faulty

ie 6000 x 0.4/100 = 6 x 4 = 24 bulbs are faulty  

Answer 2

Answer:

24

Step-by-step explanation:

no of faulty bulbs =

$\frac{60 \times 6000}{15000} \\ = \frac{60 \times 6}{15} \\ = \frac{360}{15} \\ = 24$

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