If the amount of a principal be `Rs5184` and `5832` for `2` years and `3` years respectively, then find the principal and rate of simple interest in percent per annum.

If the compound and simple interest of a certain principal in 2 years be Rs. 40.80 and Rs. 40 respectively, then find the principal and the rate of interest in percent per annum.

At the same rate of simple interest in percent per annum, if a principal becomes are amount of Rs 7100 in 7 yrs and of Rs 6200 in 4 yrs, then find the principal and rate of simple interest in percent per annum.

At the same rate of simple interest in percent per annum, if a principal becomes the amount of Rs 1248 in 7 years and or Rs 1056 in 4 years. Find the principal and rate of simple interest in percent per annum.

At the same rate of simple interest in percent per annum, if a principal becomes the amount of 7100Rs in 7 years and of 6200Rs in 4 years. Determine the principal and rate of simple interest in percent per annum.

At the same rat of simple interest in present per annum, if a principle becosmes the amount of ₹ 7400 in 8 years and of ₹ 6200 in 4 years, then determine the principal and rate of simple intest in percent per annum.

If a principal beocmes Rs 560 in 3 years and Rs 600 in 5 years at the same rate of simple interest in percent per annum, then find the principal and the rate of simple interest in percent per annum.

If the amount of Rs 100 for 2 years is Rs 121, then find the rate of compound interest in percent per annum.

The amount (Principal along with interest) of some money becomes Rs 496 in 3 years and Rs 560 in 5 yrs. At the same rate of simpel interest in percent per annum. Find the principal and the rate of simple interest in percent per annum.

If the interest of a principal in 2 years be (1)/(8) of it, then find the rate of simple interest per annum.

If the principal is double in ten years, then the rate of simple interest per annum is