Aman buys some pencils of one kind at3 for 3 rupees and an equal number of pencils at 4 for 6 rupees . He sells them at 6 for 8 rupees find his gai n or loss %
Answers
Answer:
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Step-by-step explanation:
ANSWER
As per question,
Cost price of some pencils =Rs 3 and
For other equal no. of pencils =Rs 3 and
Net selling price =Rs 7
Suppose, lady buys
′
n
′
pencils for Rs=3.
(Type −I)
CP for one such pencil =Rs
x
3
And for n pencils of other kind, she paid Rs=6
(Type −II)
CP for one such pencil =Rs
x
6
Now, Calculation for type I
We know that, Gain= selling price - cost price
By using above formula,
=
2x
7
−
x
3
=Rs
2x
1
Also, Gain percentage =
CP
Gain
×100
So,
x
3
2x
1
×100=
3
50
%
Now, Calculation for type II
We know that Loss=CP-SP
So, =
2x
7
−
x
6
=Rs
2x
5
Also loss percentage =
CP
loss
×100=
x
6
2x
5
×100=
3
125
%
Now,Net gain percentage = Gain percentage- Loss percentage =
3
125
−
3
50
=
3
75
=25
hope it helps