Krishan and Nandan jointly started a business. Krishan invested six times as Nandan did and invested his money for double time as compared to Nandan. Nandan earned Rs. 6000. If the gain is proportional to the money invested and the time for which the money is invested then the total gain was?	Choose the correct choice from the following choices:  A) Rs.78000  B) Rs.48000  C) Rs.6000  D) Rs.82000  E) Rs.32000
6:1   2:1   ------   12:1   1 ----- 6000   13 ----- ? =&gt; Rs.78,000   Rs.78000nswer: Rs.78000
<result>A</result>
Krishan and Nandan jointly started a business. Krishan invested six times as Nandan did and invested his money for double time as compared to Nandan. Nandan earned Rs. 6000. If the gain is proportional to the money invested and the time for which the money is invested then the total gain was?