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NIKESH RAJAK

· started a discussion

· 1 Months ago

this quetion (Question:117407.0)

solution not understand

Question:
At what percent above the cost price must an article be marked so that seller gains 33% after allowing the customer a discount of 5% ?
Options:
A) 48%
B) 43%
C) 40%
D) 38%
Solution:
Ans: (c) Let the marked price be \(\unicode{x20B9} \)x

Let the Cost price be \(\unicode{x20B9} \)y

Selling Price = x - 5% of x 


Alternate sol.:

lets cp is 100%

\(x\times\cfrac{(100-5)}{100}=133\)

x = 140%

\(\therefore\) 40% above the cp

Knowledge Expert

· commented

· 1 Months ago

x=7y/5. it can be written as y + 2y/5. and 2/5 of 100% gives 40%.
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