Question

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 %​

Answer 1

Answer:

...hey dear here is your answer ❤️...

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