Question

7. By selling a shirt for 135, a shopkeeper loses 10%. How much percent would he gain or lose by selling it for 177?
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Answer 1

Answer:

Assume cost price is 100 then

lose of 10% = 90 rs

so, 90 = 135

100 = ??

so original price = 13500 ÷ 90 = 150.

if he sells shirt at 177 rs thn

27 rs profit at 150 cost price

?? rs profit at 100 cost price

100 × 27 = 18 %

150

Answer is 18 % profit.

Answer 2

Answer:

Question :

By selling a shirt for 135,a shop keeper loses 10%.How much percent would he gain or lose by selling it for 177 Rs ?

Given :

First Condition;

CP of shirt=Rs 135

Loss percent = 10%

Solution:

SP of shirt = Rs135

Loss percent = 10%

CP of shirt =SP×100/100-l%

CP=135×100/100-10

135×100/90

135×10/9

15×10

CP= Rs 150

Given :

Second Condition ;

CP of shirt = Rs 150

SP of shirt = Rs 177

Solution :

CP of shirt = Rs 150

SP of shirt = Rs 177

Gain= SP-CP

Rs 177- Rs 150

Rs 27

Gain %=Gain/CP×100

Rs 27/Rs 150×100

Rs 27/Rs 15×10

18%