A sum of Rs. 2000 amounts to Rs. 3000 in two years at simple interst. Interest for three years is ______.

A sum of Rs 2400 amounts to Rs. 3264 in 4 years at simple interest. If the rate of interest increased by 1% it would be amount to how much?

A sum of Rs. 2400 amounts to Rs 3350 in 4 years at simple interest. If the ratio of interest in increased by 1% it would amount to how much ?

A sum of Rs 1500 amounts to Rs 1680 in 3 years at simple interest. If the interest rate is increased by 2%, it would amount to……………….

A sum of Rs 1,250 amounts to Rs 1,550 in 4 years. What is the simple interest rate?

A sum of Rs800 amounts to Rs920 in 3 years at simple interest.If the interest rate is increased by 3%, it would amount to how much?