Profit and Loss Practice Test 1

Question : 29 of 40

Marks: +1, -0

A discount series of 10%, 20% and 40% isequal to a single discount of:

Solution:

x = 10% ,y = 20%, z = 40%

Single discount

p=x+y-{xy}/100

=10+20-{10 ×20}100=28%

Now,

p+z-{p×z}/100

=40+28-{40×28}/100= 56.8%

Single discount = 56.8%

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