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quest. is of 10 marks.

Asked by ayushikas 30th April 2010, 8:47 AM
Answered by Expert
Answer:

Dear  student,

n/810 =0..............................................1

1000×n/810 = d25...........................2

Subtract eqn  1 from eqn  2

999n/810 = d25

n=d25×810/910

n=d25×30/37

As n is an integer, so d25 must be completely divisible by 37.

As d is a single digit number, the only multiple of 37 that makes it possible is 25 (37×25 = 925).

Hence d=9.

Hence n = 925×30/37

n=750

Regards Topperlearning.

Answered by Expert 30th May 2010, 9:55 AM
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