Question

Neeraj’s earning was decreased by 60% and after that subsequently increased by 60%. Find the final loss % on his earning?

Answer 1

Answer:

We know that if a number is decreased by x% and then successively increased by y %, then the net change is given by ( - x + y + xy/100) %

From the given data, earnings was decreased by 60%, x = 60 and subsequently increased by 60%, y = 60

⇒ Final loss percent = [-60 + 60 + (60 × 60)/100] = 3600/100 = 36

Final loss on his earningsis 36%

Step-by-step explanation:

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Answer 2

Answer:

loss % = 36%

Step-by-step explanation:

if a number is decreased by x% and then successively increased by y %, then the net change is given by

( - x + y + xy/100) %

we havegiven, earnings decreased by 60%,

x = 60

and subsequently increased by 60%,

y = 60

⇒putting values of x and y we have final loss % = [-60 + 60 + (60 × 60)/100] = 3600/100 = 36

Final loss on his earnings = 36%

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