Can anyone please answer this question?
The cost of 7 pens and 4 books is Rs.200. What is the maximum possible value of the cost price of 1 book?? (both prices are intergers)
a. Rs.71 b.Rs.37 c.Rs.43 d.Cannot be determined
help required in numerical ability!
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help required in numerical ability!
by Kausar123 » Sat Jun 29, 2013 3:16 pm
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Re: help required in numerical ability!
by rajasen9903 » Mon Jul 22, 2013 10:57 pm
Do with trial and error method.
4*71=284>200 so a is not possible
4*37=148;200-148=52;52%7 not equals to 0 so b is not possible since the cost price is an integer
4*43=172;200-172=28;28%7=0 so c is the ans
4*71=284>200 so a is not possible
4*37=148;200-148=52;52%7 not equals to 0 so b is not possible since the cost price is an integer
4*43=172;200-172=28;28%7=0 so c is the ans
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