A, B and C invested 13,000, 17,000 and 5,000 respectively in a business. At the end of the year, they earn a profit of 1,400. B’s share of profit is

Ratio of the equivalent capitals of A, B and C for 1 month

= 13000 × 12 : 17000 × 12 : 5000 × 12

= 13 : 17 : 5

Sum of the terms of ratio = 13 + 17 + 5 = 35

Total profit = Rs. 1400

$\therefore$ B’s share $=$ Rs. $\left(\frac{17}{35} \times 1400\right)=$ Rs. 680