A lends ₹3500 to B and at the same time a certain sum to C at the rate of 7% per annum simple interest. If the simple interest is collected ₹1540 after 4 years from B and C then find the sum lent to C?

1000 900 2000 1500

2000

SI collected from B + C = 1540 C x 7% x 4 + 3500 x 7% x 4 = 1540 C x 28% = 560 C = 2000