RRB NTPC Prelims Model Paper 11 with solutions

A, B and C jointly start a business venture with a agreement that A would invest Rs.13,000 for 6 months, B, Rs. 16,800 for 5 months and C, Rs. 20,000 for 3 months. A wantsto be the working member for which he was to receive 5% of the profits. The profitearned was Rs. 14800 Calculate the share of B in the profit?