[" 30.The difference between the simple interests "],[" received from two different banks on ₹ "2000" for "],[2" years is "₹30;" the difference between their rates of "],[" interest is "]

The difference between the simple interest received from two different banks on Rs. 2000 for 2 years is Rs. 30, the difference between their rates of interest is

The difference between the simple interest received from two different persons on Rs 1800 for 4 years is Rs 36. The difference between their rates of interest is ………………………

The difference between the interest received from two different banks on Rs. 5000 for 2 years is Rs. 25. The difference between their rates is :

The difference between the simple interest received from two different banks on Rs. 500 in 2 yr is Rs. 2.5. The difference between their per annum rates of interest is

The difference between the simple interest received from two different sources on Rs 1500 for 3 years is Rs 13.50. The difference between their rates of interest is (a) 0.1% (b) 0.2% (c) 0.3% (d) 0.4% (e) None of these