Mathematical Reasoning and Aptitude
5.27
Example 121:
A man bought a horse for a certain sum
and sold it at a loss of 8
%
on his outlay. If he had received
`
1800 more, then he would have gained
14
1
2%
on his
outlay. What did the horse cost?
(a)
`
3500
(b)
`
5000
(c)
`
6000
(d)
`
8000
Solution:
C.P.
=
(Difference in S.P.)
÷
(
%
Difference in
profit)
C.P. of the horse
=
1800
×
100 / [14 1/2 – (–8)]
=
1800
×
100/22.5
⇒
C.P.
=
8000.
Therefore, (d) is the correct answer.
Example 122:
A man purchases two pens for
`
740. He sells
one at 12
%
profit and the other at 8
%
loss. Then he neither
gains nor loses. ...
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