Mathematical Reasoning and Aptitude
5.63
ASSESS YOUR LEARNING
183.
(c):
Discount on
`
60
=
25
%
of
`
60
=
`
15
Assume that the retailer offers a discount of
`
15
or four extra mangoes.
New purchase price of four mangoes
=
`
15
Purchase price of one mango
=
15/4
=
`
3.75
184.
(c):
Suppose both length and breadth are 100.
Hence, area
=
100
×
100
New length
=
100
+
10 m
=
110 m
As area is to be kept same,
110
×
new breadth
=
100
×
100
New breadth
=
100
×
(100/110)
=
1000/11
Decrease in breadth
=
100 – (1000/11)
=
100
11
=
9.11
%
As breadth was assumed to be 100, no additional
calculation ...
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