RRB Assistant Loco Pilot and Technician Model Paper 1 with solutions

Question : 8 of 100

Marks: +1, -0

A shopkeeper allows a discount of 10% to his customers and still gains. 20%. Find the marked price of the article which costs₹ 450.

Solution:

(a) Let the marked price of the article be ₹ x
∴ x ×

90/100 = {450×120}/100

⇒

9x/10 = 540

⇒ x = ₹ 600

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