NCHMCT JEE 2015 Question Paper with solutions for online practice

Question : 13 of 200

Marks: +1, -0

A shopkeeper mixes 15 kg of rice purchased @ 30/kg with 25 kg of rice purchased @ 40/kg. What should be his selling price per kg in order to make a profit of 20%?

40.5
41.5
42.5
43.5

Validate

Solution:

Total cost price of rice
= 15 × 30 + 25 × 40
= 450 + 1000 = ₹ 1450
Profit = 20%
S.P. =

{120}/{10}

× 1450
= 145 × 12 = ₹ 1740
∴ S.P./kg of rice = ₹

{1740}/{40}

= ₹ 43.5

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