Chapter 7
7.18
Ans:
(b) Central angle corresponding to royalty
=
(15
%
of 360)
°
=
15/100
×
360
=
54
°
74.
What is the difference between promotion and
printing cost if we assume that total cost is
`
200?
(a)
`
10
(b)
`
20
(c)
`
30
(d)
`
24
Ans:
(b) Difference in percentage terms
=
20 – 10
=
10
%
Then, 10
%
of
`
200
=
`
20
75.
If 1000 copies are published and the transportation
cost on them amounts to
`
15,000, then what should
be the selling price per book so that the publisher can
earn a profit of 20
%
?
(a)
`
150
(b)
`
160
(c)
`
180
(d)
`
200
Ans:
(c) To calculate the selling price of a single ...
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