A began a business with Rs. 85,000. He was joined afterwards by B with Ks. 42,500. For how much period does B join, if the profits at the end of the year are divided in the ratio of 4 : 1 ? Choose the correct answer:  A) 6 months  B) 3 months  C) 2 months  D) 8 months  E) 9 months
Suppose B joined for x months . Then, ( 85000 * 12 )/(42500 * x) = 4. or x = (85000 * 12) / (42500 * 4)= 
<gadget id="calculator">(85000 * 12) / (42500 * 4)</gadget>
<output>6</output>
6.   So, B joined for 6 months.   6 monthsnswer: 6 months
<result>A</result>
A began a business with Rs. 85,000. He was joined afterwards by B with Ks. 42,500. For how much period does B join, if the profits at the end of the year are divided in the ratio of 4 : 1 ?