Lichen grow at a very slow rat (1 mm per year). In how many years a lichen matures

How many years Sal take to mature?

A gardener is planting two type of trees. *Type A is three feet tall and graws at a rate of 14 inches per year. *Type B is five tall and grows at a rate of 9 inches per year. How many year will it take for these trees to grow to the same height?

In a bank, principal increases continuously at the rate 5 % per year. In how many years Rs 1000 double itself?

In a bank, principal increases continuously at a rate of 10% per year. In how many years Rs 1000, doubles itself ?

In a bank,principal increases continuously at the rate of 5% per year.In how many years Rs 1000 double itself?

In a bank, principal increases continuously at the rate of 5% per year. In how many years Rs 1000 double itself?

In a bank, principal increases continuously at the rate of 5% per year. In how many years Rs 1000 double itself?

In a bank, principal increases continuously at the rate of 5% per year.In how many years Rs 1000 double itself?

In a bank, principal increases continuously at the rate of 5% per year.In how many years Rs 1000 double itself?