(c) ₹ 48.75
Let, the cost of AC III ticket be ₹ x
Cost of AC II Ticket = ₹ 780 [Given]
According to the question,
=780
⇒
= ₹ 650
∴ Cost of AC III ticket = ₹ 650
Now, Cost of AC I ticket = 70% of 650 + 780
=
x 650 + 780 = 455 +780 = ₹ 1235
Cost of 3-tier ticket = 25% of AC I ticket = ₹
(×1235) = ₹ 308.75
Cost of General ticket =
x (AC II ticket) =
x 780 = ₹ 260
∴ Required difference = ₹ (308.75 - 260) = ₹ 48.75