Question

a dealer on scientific instrument allows 20% discount on the marked price of the instruments and still makes a profit of 25%. If his gain over the sale of a instrument is 150rs. find the marked price of the instrument.​

Answer 1

Answer:

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Answer 2

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GIVEN

• Let C.P of instrument = Rs.100
• Profit = 25% of Rs.100=Rs.25

SOLUTION

If profit is Rs.25,

• C.P = Rs.100

If profit is Rs.150, C.P

• =Rs.100/25×150
• =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

• MP = Rs.100/80×750
• MP = Rs.937.50

★ Thus, marked price of the instrument =Rs.937.50