Chunilal invests 65% in machinery 20% in raw material ands till has 1,305 cash with him. Find his total investment. Pick.
A) 6,500  B) 7,225  C) 8,500  D) 7,395  E) None of these
Let he had originally x.   Then 65% of x + 20 % of x + 1305 = x   0.65x + 0.2x + 1305 = x   ⇒ 0.15 x = 1305 ⇒ x = 8700   ∴ His total investment = 65% of 8700 + 20% of 8700   = 85% of 700 = 7395   Answer 7,395
<result>D</result>
Chunilal invests 65% in machinery 20% in raw material ands till has 1,305 cash with him. Find his total investment.