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Answer 1

SOLUTION-;

Overall CP of one jeans = 990

One jeans is sold at 10% gain. This means if CP is Rs.100,

SP is 110

Therefore, if CP is 990,

Then,

$sp = \frac{9 0}{ \: 100} \times 990$

SP = Rs. 891

We need to find the combined SP and CP to say whether there was an overall profit or loss.

$Total \: CP = 990 + 990 = 1980$

Since total SP and CP are same so there is no loss or no profit.

Answer 2

Given :-

SP of each jeans = 990

Gain on first jeans = 10%

Loss on second jeans = 10%

To Find :-

Loss %

Solution :-

We know that

▪ IN FIRST JEANS

CP = 100 × SP/100 + P%

CP = 100 × 990/100 + 10

CP = 100 × 990/110

CP = 100 × 9/1

CP = Rs. 900

▪ IN SECOND JEANS

CP = 100 × SP/100 - L%

CP = 100 × 990/100 - 10

CP = 100 × 990/90

CP = 100 × 11

CP = 1100

▪ Total CP

Total CP = CP of first jeans + CP of second jeans

Total CP = 900 + 1100

Total CP = 2000

Now

▪ Total SP

Total CP = SP of first jeans + SP of second jeans

Total CP = 990 + 990

Total CP = 1980

Now,

Loss% = Loss/CP × 100

Loss % = CP - SP/CP × 100

Loss % = 2000 - 1980/2000 × 100

Loss % = 20/2000 × 100

Loss % = 2/2

Loss % = 1 %