An amount of money is to be divided between M, N and O in the ratio of 3:7:12. If the difference between the shares of M and N is Rs.2000, what will be the difference between N and O's share? Choose the correct choice from the following answers
A) 1266  B) 3000  C) 2866  D) 2500  E) 2678
7-3= 
<gadget id="calculator">7-3</gadget>
<output>4</output>
4= 2000   12-7= 
<gadget id="calculator">12-7</gadget>
<output>5</output>
5= 2000/4*5= 
<gadget id="calculator">2000/4*5</gadget>
<output>2_500</output>
2500   Answer : 2500
<result>D</result>
An amount of money is to be divided between M, N and O in the ratio of 3:7:12. If the difference between the shares of M and N is Rs.2000, what will be the difference between N and O's share?