Mr. Sinha sold two tape-recorders for 990
each; gaining 10% on one and losing 10% on
the other. Find his total loss or gain, as
percent, on the whole transaction
Answers
Answered by
7
Answer:
SP of both tape recorders: 1980Rs.
let the CP be x
CP for 1st tape recorder
x+1/10x=990
11x/10 = 990
x=900 Rs.
CP for 2nd tape recorder
x-1/10x =990
9x/10 = 990
x = 1100
therefore total CP= 2000Rs.
hence there is a loss of 20 Rs.
so, overall he has loss of 1%.
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Answered by
3
Sp=990
P=10%
Cp=sp×100/100+p%
=990×100/100+10
990×100/110=900
2nd sp=990
L=10%
2nd cp=2nd sp×100/100-L%
990×100/100-10 = 1100
2nd cp=1100
Total sp=990+990=1980
Total cp=900+1100=2000
L=cp-sp
L=2000-1980=20
L=20
L%=1×100/cp
20×100/2000=1
L%=1%
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