Question

Preeti sells two watches for rupees 2970 each, gaining 10% on one and losing 10% on the other. Find her gain or loss per cent in the whole transaction.

Answer 1

First case -
c.p = 2970
S.P = 2970+ 10 % 
= 3267
profit = 3267 -2970
297 
Second case 
C.p = Rs2970
S.P =2970- 10 %= 2673
loss =2970-2673 =297
total profit or loss % =0%

Answer 2

First case -

c.p = 2970

S.P = 2970+ 10 %  

= 3267

profit = 3267 -2970

297  

Second case  

C.p = Rs2970

S.P =2970- 10 %= 2673

loss =2970-2673 =297

total profit or loss % =0%

Mark brainliest..