Three strategies P Q and R have been initiated for cost cutting in a company producing respectively ...........

Quantitative Aptitude ( CCS) Percentage

Three strategies P, Q and R have been initiated for cost cutting in a company producing respectively 20%, 30% and 10% savings. Assuming that they operate independently, what is the net saving achieved ?

49.6%

50.4%

33.67%

66.66%

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Explanation:

As these three strategies P, Q and R are independent so these will cut cost one after the other.
If initial cost is Rs 100, then
20% cost is cut after initializing strategy P,

then cost will remain 80% = 80
further 30% cost is cut after strategy Q,

then cost will remain 70% of 80 = 56
further 10% cost is cut after strategy R,

then cost will remain 90% of 56 = 50.4

Thus final cost remains 50.4 % of the original cost.

Net saving is 100 - 50.4 = 49.6 %.

Hence, option 1 is the correct answer.