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2015-06-18T19:22:10+05:30
She have 800 notes of Rs 100, 2400 notes of Rs 50, 20 000 notes of Rs 10
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Dear plz do with method I have to do it in fair notebook
you have not considered the ratios 2 : 3 : 5 properly,. answer is not correct.
2015-06-18T23:46:32+05:30

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The ratio of the notes is :  2 : 3 : 5

Let her have    2 * N number of Rs 100 notes,    3 * N number of Rs 50 notes,  and 5 * N  number of Rs 10 notes respectively.

Then the total value of the currency notes will be:
     2 N * Rs 100 + 3 N * Rs 50 + 5 N * Rs 10  =  Rs 4, 00, 000
 =>    200 N + 150 N + 50 N = Rs 4, 00, 000
 =>    400 N = Rs 4, 00, 000

     =>  N = 1, 000
   
Hence,  There are 2N = 2,000 notes of Rs 100  ,   3N = 3,000 notes of Rs 50 and  finally ,  5 N = 5, 000 notes of Rs 10..  

1 5 1
click on thanks button above please