Mr. Sinha sold two tape-recorders for? 990each; gaining 10% on one and

1.	Mr. Sinha sold two tape-recorders for? 990each; gaining 10% on one and losing 10% onthe other. Find his total loss or gain, aspercent, on the whole transaction.
Answer» total selling price = 990×2 = 1980 c.p of 1st = 990/1.1 = 900 rsC p of 2nd = 990/90% = 1100 Rs so, total C.P = 1100+ 900 = 2000 so, total loss % = (2000-1980)*100/2000 = 1%

Mr. Sinha sold two tape-recorders for? 990each; gaining 10% on one and losing 10% onthe other. Find his total loss or gain, aspercent, on the whole transaction.

Answer»

total selling price = 990×2 = 1980

c.p of 1st = 990/1.1 = 900 rsC p of 2nd = 990/90% = 1100 Rs

so, total C.P = 1100+ 900 = 2000

so, total loss % = (2000-1980)*100/2000 = 1%