Every year, for ten years, a nail was pounded into a tree, to the same depth and at exactly 1 m above the soil surface. What will be the position of these nails on the tree after per 15 years?

A nail was driven into the trunk of a tree at a point 1.5 meters above the soil level. After three years, the nail will:

If today a signboard is nailed to the side of a tree 5 feet above the groud, how high would the sign be after 6 years if tree grows 4 inches taller per year ?

A tree grows at a rate of 0.5 m/yr . What will be the height of a board fixed at 1.5 m above the base, five years ago

Simple interest on a sum of money for 3 years at 10% per annum is Rs 2400. What will be the compound interest on that sum at the same rate for the same period?

Amol bought a plot of land for 70,000 and a car for 32,000 on the same day. The value of the plot appreciates uniformly at the rate of 10% every year while the value of the car depreciates by 20% for the first year and by 10% for the second year. If Amol sells the plot of land as well as the car after 2 years, what will be the profit or loss on the whole ?

The population of a town is increasing at the rate of 5% per annum. What will be the population of the town on this basis after two years, if the present population is 16000?

Simple interest on a sum of money for 2 years at 6.5% per annum is Rs 5200. What will be the compound interest on the sum at the same rate for the same period?

A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will

Suppose you system of units has one years as the unit of tiem , one light year as the unit of length and mass of earth as the unit of mass. How much 1 N be equal to the units of force in this system. Take 1 year = 3 xx 10^(5) s , 1 light year = 9.5 xx 10^(15) m and mass and earth = 6 xx 10^(24) kg .

A gardener is planting two types of trees. One type is seven feet tall and grows at a rate of 8 inches per year. The other type is four feet tall and its rate of the growth is 50% greater than the rate of the other tree. In how many years will the two grow to the same height?