How both questions solving method is same?? one is giving percentage from total production...
In a factory, two machines M1 and M2 manufacture 60% and 40% of the autocomponents respectively. Out of the total production, 2% of M1 and 3% of M2 are found to be defective. If a randomly drawn autocomponent from the combined lot is found defective, what is the probability that it was manufactured by M2?
ANOTHER QUESTION IS FROM 2012
https://gateoverflow.in/2211
An automobile plant contracted to buy shock absorbers from two suppliers X and Y . X supplies 60% and Y supplies 40% of the shock absorbers. All shock absorbers are subjected to a quality test. The ones that pass the quality test are considered reliable. Of X′s shock absorbers, 96% are reliable. Of Y′s shock absorbers, 72% are reliable.