Question

38) A dealer of scientific instruments brys an instrument
for F 400 and marks it for sale at a price that may
give him 80% profit on his cost. He however gives 15%
discount on the marked price to his customers. Calculate
a) the marked price of the instrument.
b) the discount given to the customer in rupees.​

Answer 1

Let C.P of instrument =Rs.100

Profit =25% of Rs.100=Rs.25

If profit is Rs.25,C.P=Rs.100

∴ If profit is Rs.150,

C.P=Rs.

25

100

×150=Rs.600

S.P of the instrument =Rs.600+Rs.150=Rs.750

Let M.P of the instrument be Rs. 100

If S.P is Rs.80, M.P=Rs.

80

100

×750=Rs.937.50

Thus, marked price of the instrument =Rs.937.50

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Answer 2

Answer:

$937.50$

Step-by-step explanation:

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