Question

he sell the remaining sarees so as to gain
Sohan and Rahul bought one music system each for the same price. Sohan sold it for 14400 and lost
10%. At what price should Rahul sell his music system so as to earn a profit of 7%?
3. Rajesh bought 80 kg of mangoes at 30 per kg. He sold 80% of these at 50 per kg and the remaining
mangoes at 25 per kg. Find his gain or loss per cent on the whole transaction.​

Answer 1

Answer:

2)S.P. for Sohan =Rs. 14,400

Loss%=10%

C.P. =[100/(100 - Loss%)]x S.P.

C.P. =[100/(100 - 10 )]×14,400

C.P. =100/90×14,400

C.P. =Rs. 16,000

C.P. for Rahul = 16,000

Profit%=7%

S.P. =[(100 + Gain %)/100]x C.P.

S.P. =[(100 + 7)/100]×16,000

S.P. =107/100×16,000

S.P. =Rs. 17,120

S.P. for Rahul =Rs. 17,120

3)Total CP=Rs80×30=2400

first group of mangoes=80%of80

=80/100×80kg

=64kg

=64×50=Rs3200

second group of mangoes=16kg

=16×25=Rs400

Total SP=3200+400=3600

profit=Rs(3600-2400)=1200

profit%=1200/2400×100

=50%

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Answer 2

Answer:

cost price of the music system=100×14400/100-10

=100×14400/90

= 16000

profit on music system for Rahul =cost price × 7/100

=16000×7/100

=1120

selling price is =16000+1120=17120

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