Shop Offered 20% offer for every Shirt, Smith bought a shirt at Rs. 780. and What was the shop's original selling Price?
Select the correct option:  A) 500  B) 550  C) 600  D) 700  E) 975
SP* (80/100) = 780   SP= 9.75 * 100 =&gt; CP = 975   Answer:975
<result>E</result>
Shop Offered 20% offer for every Shirt, Smith bought a shirt at Rs. 780. and What was the shop's original selling Price?