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An object is made from a cylinder with a hemisphere at each end.r=5cm, height=12 .Calculate volume.

Sphere and hemisphere have same volume. Radius of sphere =7cm

Side of cube=6cm Sphere is placed in cube.Calculate volume of cube.Calculate volume of sphere.What percentage of the space in the cube does the sphere occupy?

Two cyclists set off at the same time from a point o .Cyclist p head east with a velocity of 20km/hr. Cyclist Q heads with a velocity of 16km/h .After 45 min they both stop calculate a) the distance they have each travelled in 45 min . b) the distance ox...

The present height of the pyramid of Khafre in Egypt is 137m.An engineer surveying pyramid measures an angle of elevation of 33degrees from a point X to the top of the pyramid. Calculate the distance from X to the cenre of the base of the pyramid at Y

(3+/3) (2+/2)

if A=(3,5) and B=(4,1).find the equation of locus of point p which are equidistant from points A and B

in a two digit number the unit digit is one more than twice the ten's digit if the order of the digit is reversd the new number is 36 more than the given number find the number

A cubical water tank has edge 5m long. Find the volume of water in the tank if 1/5th of the tank is empty. Write down the equation of the line whose gradient is 3/2 and which passes through P, where P divides the line segment joining A(-2,6) and B(3,-4) i...

A body cools from 50 degree celcious to 49 degree celcious in 5 seconds. How long will it take to cool from 40 degree celcious to 39 degree celcious? ( assume temperature of surroundings to be 30 degree celcious and newtons law of cooling is valid)

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