M and N started a business by investing Rs.4000/- and Rs.5000/- respectively. Find the M’s share out of a total profit of Rs.1800: Choose the correct choice from the following answers.
A) Rs.500/-  B) Rs.550/-  C) Rs.600/-  D) Rs.650/-  E) Rs.800/-
M = Rs.4000/-   N = Rs.5000/-   M share 4 parts &amp; N share 5 parts   Total 9 parts -----&gt; Rs.1800/-   ----&gt; 1 part -------&gt; Rs.200/-   M share = 4 parts -----&gt; Rs.800/-   Rs.800/-
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M and N started a business by investing Rs.4000/- and Rs.5000/- respectively. Find the M’s share out of a total profit of Rs.1800: