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Q1
:
A shopkeeper sells one transistor for Rs. 840 at a gain of 20% and another for Rs. 960 at a loss of 4%. His total gain or loss percent is:
A
5
15
% gain
17
B
None of these
C
5
15
% loss
17
D
6
2
% gain
3
Solution
ANS:
B
-
5
15
% gain
17
C.P. of 1
st
transistor = Rs.
100
x 840
= Rs. 700.
120
C.P. of 2
nd
transistor = Rs.
100
x 960
= Rs. 1000
96
So, total C.P. = Rs. (700 + 1000) = Rs. 1700. Total S.P. = Rs. (840 + 960) = Rs. 1800.
Gain % =
100
x 100
%
= 5
15
%
1700
17
Share :
Gain % =