SOLUTION
Old Ratio = 3: 4: 1
Murli’s share = 3/8
Share acquired by Naveen = 3/8 × 2/3 = 2/8
Remaining Share = 3/8−2/8 = 1/8 (acquired by Omprakash)
Gaining Ratio = 28: 18 = 2: 1
Naveen’s New Share = 4/8+2/8 = 6/8
Omprakash’s New Share = 1/8+1/8 = 2/8
New Profit-Sharing Ratio = 3: 1