1.. A book seller receives net profit RS 1800 for 20 statistics books after allowing a discount
of 15% and 2% for cash. Find the marked price or market price of a book?
2. A property change hands fourtimes and each time the loss to the seller was 10%. If in the
last transaction the loss was 729 RS, find out the original value of the property.
Answers
Given : property change hands four times and each time the loss to the seller was 10%. in the last transaction the loss was 729 Rs
To find : the original value of the property
Solution:
Let say Market Price = M
Discount = 15 %
Selling Price = M - (15/100)M = 0.85M
Selling Price of 20 Books = 20 * 0.85M = 17M
Cash discount = 2 %
=> net amount received = 17 - (2/100)17M
= 17 * 98 M/100
Cost Price = 17 * 98 M/100 - 1800
Cost Price is missing in Question to find Marked Price
original value of the property = P
After 3 transaction Property cost = P(1 - 10/100)³
= P ( 0.729)
Loss in 4th transaction = (10/100) P ( 0.729) = 0.0729P
0.0729P = 729
=> P = 10000
original value of the property = Rs 10000
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