Sudeep invested 1/8 of a certain sum at 5% per annum for two years and 3/5 of the sum of 6% per annum for two years and the remaining at 10% p.a. for two years. If the total interest received is Rs. 1,674, then the total sum invested is:

Sudeep invested 1/8 of a certain sum at 5% per annum for two years and

1.	Sudeep invested 1/8 of a certain sum at 5% per annum for two years and 3/5 of the sum of 6% per annum for two years and the remaining at 10% p.a. for two years. If the total interest received is Rs. 1,674, then the total sum invested is:
A.	Rs. 12,500
B.	Rs. 10,500
C.	Rs. 12,000
D.	Rs. 13,000
Answer» D. Rs. 13,000