Profit and Loss Practice Test 6

Question : 29 of 40

Marks: +1, -0

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

Solution:

Single discount p

= x + y -{xy}/100

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

p=10+20-{10 ×20}/100=28

Now

p+z-{pz}/100=28+40-{28×40}/100

= 56.8%

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