NCHMCT JEE 2021 Question Paper with solutions for online practice

Question : 76 of 200

Marks: +1, -0

A shopkeeper bought

30 {kg}

of wheat at the rate of ₹ 45 per kg. He sold

40 \%

of the total quantity at the rate of ₹ 50 per

{kg}

. Approximately, at what price per kg should he sell the remaining quantity to make

25 \%

overall profit?

Solution:

Cost price of

30 {kg}

of wheat

=30 × 45=₹ 1350

Total SP for an overall profit of

25 \%

=\;{1350 × 125}/{100}=₹ 1687.5

{SP}

12 \%

30 {kg}

wheat

= {SP}

12 {kg}

wheat

=12 × 50=₹ 600

Expected SP of

18 {kg}

of remaining wheat

=1687.5-600=₹ 1087.5

∴

Required selling price per

{kg}=\;{1087.5}/{18} ≈ ₹ 60

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