the cost of 6 tv set Rs 7128 find the cost of 1 tv set
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Answer:
Let the C.P of each T.V set be Rs.x
∴ S.P of first T.V Set=x+
100
20x
=
100
120x
S.P of second T.V Set=x−
100
5x
=
100
95x
According to the question, difference in selling prices=700
∴
100
120x
−
100
95x
=700
⇒
100
25x
=700
⇒x=2800
Thus, C.P of each T.V set=Rs.2800
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