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Answers
Answer:
5. Let the CP of each T.V. set be Rs x.
∴SP of first T.V. set = =
SP of second T.V. set = =
According to the question, difference in selling prices = 700
Thus, CP of each T.V. set = Rs 2800.
7. let the original price = x
so selling price = 20% of x + x = 168
which gives x = 140
Now this increases by 30%
New production cost = 1.3(140) = 182
profit of 20% => the selling price = 1.2(182) = 218.40
so the increase in price = 218.40-168 = Rs 50.4
8. Let x be C.P
1
st
case S.P = x+
100
4
(x)
=
100
104
x
2
nd
case S.P = x+
100
6
(x)
=
100
106
x
100
106
x−
100
104
x=3 ..... Given
100
2x
=3⇒x=150
1
st
case S.P =
100
104
×150
=Rs156
2
nd
case S.P =
100
106
×150
=Rs.159
9.Cost price of plot =Rs 3,69,000
C.P of
3
1
of plot =Rs
3
1
×360000
=Rs 1,20,000
C.P=Rs 1,20,000
Loss %=20%
S.P=
100
100−loss%
×C.P=
100
100−200
×120000
=Rs 96000
C.P of
3
1
of plot =Rs 120000
Gain %=25%
S.P=
100
100+gain%
×C.P=
100
100+25
×120000
=Rs 150000
Gain % on whol;e =10%
C.P=Rs 3,60,000
S.P=
100
100+gain%
×C.P=
100
100+10
×360000
=Rs 3,96,000
Answer:
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