two tables were sold at rs 990 each, one at a profit of 10% and the other at loss of 10%. What are the cost prices of each of the tables? In this scale, did the seller make a profit or loss? what is the percentage of profit or loss?​

SP of first table = Rs 990    Profit % = 10%ProfitCP×100% = 10%ProfitCP×100 = 1010profit = CP10SP - CP = CP10SP - 10CP = CP11CP = 10SP11CP = 10 × 990CP = Rs 900SP of second table = Rs 990    loss % = 10%lossCP×100% = 10%lossCP×100 = 1010loss = CP10CP - SP = CP10CP - 10SP = CP9CP = 10SP9CP = 10 × 990CP = Rs 1100Total CP of both tables = 900 + 1100 = Rs 2000Total SP of both tables = 990 + 990 = Rs 1980Loss = Total CP - total SP = 2000 - 1980 = Rs 20Loss% = lossCP×100% = 202000×100% = 1%

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SOLUTION: let the cost of the first table =x
let the cost of second table =x
so ,x+x=990 rs
=>  2x=990
= x = 990/2
=x =495
cost of each table =rs495
​actuly the seller did"nt make any profit or loss beacuse
he gained 10% from the first table
and he loss 10%from from the second


thx 
for  makeing 
me revise 
  • 0
Dear
This is not correct answer.
I got first table CP = 990 and second table = 1100
In the question each had sell at 990rs 

Please help me
 
  • -2
first table = 979
second table = 1001
  • -3
What are you looking for?