RRB RPF RPSF SI and CONS Model Papers 10 with solutions

Question : 68 of 120

Marks: +1, -0

A shopkeeper offers 10% discount on the marked price of his articles and still makes a profit of 20%. What is the actual cost of the article marked Rs. 500 for him ?

Rs. 440
Rs. 425
Rs. 400
Rs. 375

Validate

Solution:

(4) Let the cost price of article = Rs. x

∴ 500 ×{90}/{100}= {120}/{100} × x

⇒ 450= {6 x}/{5}

⇒ x= {450 × 5}/{6}=

Rs. 375

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