Two boys one 52 inches tall and the other 55 inches tall, are standing at distances 4.0 m and 5.0 m respectivley from an eye. Which boy will taller?

A 1.5 m tall boy is looking at the top of a temple which is 30 m in height from a poin at certain distance. The angle of elevation from his eye to the top of the crown of the temple increases from 30^(@)" to "60^(@) as he walks towards the temple. Find the distance he walked towards the temple.

A 1.5 m tall boy is looking at the top of a temple which is 30 meter in height from a point at certain distance. The angle of elevation from his eye to the top of the crown of the temple increases from 30^(@) to 60^(@) as he walks towards the temple. Find the distance he walked towards the temple.

A boy of mass 40 kg is standing at one ned of the boat (mass : 80 kg) of length 6m in a river. Now the boy reaches to other end of the boat. Find the distance moved by the boat and the distance travelled by boy as seen from the bank of river.Assume that the system is at rest and no friction between the boat and the water.

A boy 1.5m tall standing from a lamp at a distance of 3m. The lamp casts a shadow of 4.5m. Find the height of the lamp.

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?

The distance between the eye and the feet of a boy is 1.5 m. He is standing on a flat ground and a vertical plane mirror M is placed at a distance of 1.2 m from the boy, with its lower edge at a height of 0.3 m from the ground. Now the mirror is tilted about is lower edge as shown in the Figure. Find maximum value of angle theta for which the image of feet remains visible to the boy. [Take sin 15^(@) = (1)/(4)]

A yogurt factory fills cylindrical containers 80 percent of the way to the top, putting 6 ounces of yougurt in each cup. The containers are 4 inches tall and 2.5 inch hes wide. What is the approximate volume of one ounce of youngurt in cubic inches ?