Two friends P & Q started a business investing amounts in the ratio of 5 : 6. R joined them after six months investing an amount equal to that of Q’s amount. At the end of the year 20% profit was earned which was equal to 98,000. What was the amount invested by R?
Choose the correct answer
A) 2,10,000
B) 1,05,000
C) 1,75,000
D) Data inadequate
E) None of these
Ratio for amount invested by P, Q &amp; R   = 5x × 12 : 6x × 12 : 6x × 6   = 60x : 72x : 36x   = 5x : 6x : 3x   Profit = 98000 = 20% of T   where, T = Total amount   T = 490000   Amount received by   R = 3x /3x+6x+5x(490000)   = 105000   Answer 1,05,000
<result>B</result>
Two friends P & Q started a business investing amounts in the ratio of 5 : 6. R joined them after six months investing an amount equal to that of Q’s amount. At the end of the year 20% profit was earned which was equal to 98,000. What was the amount invested by R?