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Which of the following successive discou...

Which of the following successive discounts is better to a customer ?
(a) 20%, 15%, 10%
(b) 25%, 12%, 8%

A

20%, 15%, 10%

B

25%, 12%, 8%

C

(a) या (b) (दोनों एक जैसी हैं)

D

इनमें से कोई नहीं

Text Solution

Verified by Experts

The correct Answer is:
B

(a) `20%, 15%, 10%` की क्रमवार छूट का एकल छूट
`=100-100xx (100-20)/100 xx (100-15)/100 xx (100 -10)/100 = 100 - (80xx90xx85)/10000`
`=100-306/5 194/5 =38.8% = 38.8%`
(b) `25%, 12% " तथा " 8%` की क्रमवार बट्टा के समतूल्य बट्टा
`=100 - 100 xx(100-25)/100 xx(100-12)/100 xx (100-8)/100`
`= 100 - (75xx88xx92)/(100xx100)= 100-60.72=3928%`
`=100 - 306/5 = 194/5 = 38.8%`
अतः खरीददार के लिए 25%, 12% तथा 8% वाली छूट बेहतर है।
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