By selling a car for 64000 Rs., Mr. Rao lost 20%. Then the cost price of the car is:

By selling a car for 64000 Rs., Mr. Rao lost 20%. Then the cost price of the car is:
[A]84000 Rs.
[B]80000 Rs.
[C]76800 Rs.
[D]72000 Rs.

80000 Rs.
Cost price =
= \frac{64000\times 100}{80}
= 80000 Rs.
Hence option [B] is the right answer.

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