Correct Answer: Rs. 50
Explanation:
Let markup price be y.
Cost price (CP) = 20 % discount on MP = 0.8y = 800
⇒ y= Rs.1000 MP
SP at Hazratganz = Rs. 800
SP at Bhootnath = 1000 X 0.85 = 850
So, she requires Rs. 50 more to purchase the same calculator at Bhootnath.
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