RRB Junior Engineer Stage 1 Model Papers 5

Question : 29 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:

Let the marked price of the article be ₹ x.

∴ x×90/100={450×120}/100

⇒{9x}/10=540

⇒x={540×10}/9=₹ 600

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