Question

In a factory there are three types of Machines M1 , M2 and M3 which produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2% , 4% and 5% defective products, respectively. What is the percentage of non-defective products?
A) 89%
B) 97.1%
C) 96.1%
D) 86.1%

Answer 1

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$<b><i><Marquee><font face=Lucida Calligraphy size=5 color=Green>Answer is C. 96.1 % </Marquee></b>$

$Full explanation: Non-defective products M1 = 25 X 0.98 = 24.5%  Non-defective products M2 = 35 X 0.96 = 33.6% Non-defective products M3= 40 X 0.95 = 38% <b>Percentage of non-defective products = 24.5 + 33.6 + 38 = 96.1%$

Answer 2

In a factory there are three types of Machines M1 , M2 and M3 which produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2% , 4% and 5% defective products, respectively. What is the percentage of non-defective products?
A) 89%
B) 97.1%
C) 96.1%
D) 86.1%

=> Option C