P and Q invested in a business. The profit earned was divided in the ratio 3 : 4. If P invested Rs 50000, the amount invested by Q is	Choose the correct choice from the following answers.
A) 30000
B) 66666
C) 40000
D) 20000
E) 60000

Rationale: "let the amount invested by q = q 50000 : q = 3 : 4 ⇒ 50000 × 4 = 3 q ⇒ q = ( 50000 × 4 ) / 3 = 66666 answer is b ."
Answer: B