Arjun started a business with Rs. 20,000 and is joined afterwards by Anoop with Rs.40, 000. After how many months did Anoop join if the profits at the end of the year are divided equally?	Choose the correct choice from the following choices: A) 3 B) 4 C) 5 D) 6 E) 7
Suppose Anoop joined after 3 months.   Then, 20000 * 12 = 40000 * (12 – x)   =&gt;   =&gt; x = 6.   ANSWER:6
<result>D</result>
Arjun started a business with Rs. 20,000 and is joined afterwards by Anoop with Rs.40, 000. After how many months did Anoop join if the profits at the end of the year are divided equally?