The capital ratio of A, B, and C is \(\cfrac{1}{6}:\cfrac{1}{5}:\cfrac{1}{4}\)
\(=10:12:15\)
\(=\cfrac{10}{37}:\cfrac{12}{37}:\cfrac{15}{37}\, [\because 10+12+15=37]\)
\(\therefore\) At the end of the year, \(B\) will receive \(7400\times \cfrac{12}{37}\) rupees
= 2400 rupees.