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by shashank.ism » Tue Feb 09, 2010 12:54 pm
In order to sell his old books, which were priced at Rs. 63 per book, Ravinder reduced the price per book by a whole number of rupees such that the final price per book is less than the initial price per book. Now, the whole lot of old books was sold for Rs. 4914. What is the minimum possible number of ld books in the lot that Ravinder so ld?


209
143
151
91
22
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by shashank.ism » Sun Feb 21, 2010 7:42 pm
shashank.ism wrote:In order to sell his old books, which were priced at Rs. 63 per book, Ravinder reduced the price per book by a whole number of rupees such that the final price per book is less than the initial price per book. Now, the whole lot of old books was sold for Rs. 4914. What is the minimum possible number of ld books in the lot that Ravinder so ld?


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No one even tried this problem..It was not difficult but a bit wordy..

let the price per book be rs. x after price reduction.
Let total number of old books with Ravinder be 'y'
--> xy = 4914 = 2 × 33 × 7 × 13.

Since, the maximum possible value of 'x' has to be less than 63
therefore, the maximum value 'x' can be 54.
For x = 54, the value of y = 91.
Hence, option (D) is the correct choice
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by money9111 » Sun Feb 21, 2010 8:05 pm
you could have just edited your last post... including the answer in there.. just fyi...

I agree this wasn't a difficult question, but just took a bit of sorting
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