A lent Rs. 600 to B for 2 years and Rs. 150 to C for 4 years and received altogether from both Rs.90 as simple interest. The rate of interest is
Answer: (b) 5%
Solution:-A lent Rs.600 to B for 2 years and Rs.150 to C for 4 years and received altogether from both Rs.90 as interest. Then, Rate of Interest = 90 x 100/1800 = 5%
Hence, the correct answer is option (b) 5%.