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Profit and Loss Practice Test 9
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© examsnet.com
Question : 28
Total: 40
A watch was sold at a profit of 15%. If its cost had been 5% less and it had been sold for Rs 21 less, then the profit would have been 10%. Find the cost price of the watch.
Rs 200
Rs 400
Rs 190
None of these
Validate
Solution:
C
P
S
P
x
115
100
x
95
100
x
115
100
x
−
21
Cost price of the watch
=
115
x
−
21
100
−
95
x
100
95
x
100
×
100
=
10
115
x
−
2100
−
95
x
100
×
100
95
x
×
100
=
10
(
20
x
−
2100
)
95
x
100
=
10
20
x
−
2100
=
9.5
x
10.5
x
=
2
,
100
Cost price of the watch = x = 200
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