Question

6. A watch shop sells 25 watches. Some at a profit of 10% while some watches are sold at a loss of 5%. The cost the whole batch of watches is 12,500. If the shop earns 1% profit in the complete transaction, find the total number of watches sold at loss.

This question is from chapter-9, Comparing Quantities

Please answer this question ​

Answer 1

Answer:

Step-by-step explanation:

Let the cost of one watch=x  Rs.

Then cost of second watch=(840-x) Rs.

Then according to the question

16% of x=12% of (840-x)

⇒  

100

16

​

×x=  

100

12

​

×(840−x)

⇒  

100

16x

​

=  

100

12×840

​

−  

100

12x

​

 

⇒  

100

16x

​

+  

100

12x

​

=  

100

12×840

​

 

⇒28x=12×840

⇒x=  

28

12×840

​

=360Rs.

Hence ,cost of one watch=360 Rs

Cost of another watch=840-360=480 Rs.

Answer 2

Step-by-step explanation:

360 rs is answer. Mark as brain list