Question

At a certain factory 10% of staplers produced on Monday were defective and 2% of the non defective staplers were rejected by mistake. If 90 of the non defective staplers were rejected, what was the number of staplers prodeced that day?

Answer 1

Answer: 4500

Step-by-step explanation:

Let x be the total number of staplers produced in a day.

Given : At a certain factory 10% of staplers produced on Monday were defective and 2% of the non defective staplers were rejected by mistake.

i.e. The probability of staplers non defective staplers were rejected by mistake = 0.02

Now, If  90 of the non defective staplers were rejected, then  to find the total number of staplers produced that days is given by :-

$0.02x=90\\\\\Rightarrow\ x=\dfrac{90}{0.02}=4500$

Hence, the total number of staplers produced that day is 4500.