Question

Article are bought at rupees 45 per dozen and sold at rupees 85 per score . Find the gain or loss per cent.

Answer 1

Gain per cent is  

13

1

3

%

Explanation:

As articles are bought at Rs.45 per dozen,

unit buying rate is  

45

12

=

15

4

=

R

s

.3

.75

As they were sold at Rs.85 per score,

unit selling rate is  

85

20

=

R

s

.4

.25

.

As such there is a gain of  

4.25

−

3.75

=

R

s

.0

.50

on each  

R

s

.3

.75

.

and gain per cent is  

0.50

3.75

×

100

=

50

375

×

100

%

=  

2

50

15

3

375

×

20

100

%

=  

40

3

=

13

1

3

%