Question

A grocer bought sugar worth Rs.5000. He sold one half of it at a gain of 10%. At what gain per cent must the remaining sugar be sold to solve to have a gain of 15% on the whole


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Answer 1

Answer:

Overall gain = 12%

Gain % =

CP

SP−CP

×100

⇒12=

4500

SP−4500

×100

⇒SP=5040Rs

a) sold

3

1

rd

at gain of 10%

Gain % =

(4500/3)

SP−(4500/3)

×100

⇒10=

1500

SP−1500

×100

⇒SP

1

=1650Rs

SP

2

=SP−SP

1

=5040−1650

=3390Rs

CP=

3

2

×4500=3000Rs

Gain % =

3000

3390−3000

×100

=

30

390

=13%

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