Problems on H.C.F and L.C.M

Practice Problems on H.C.F and L.C.M – What is the volume of hemisphere of radius 5 cm?

Practice Problems on H.C.F and L.C.M – A builder has to pour a concrete slab 12 centimeters thick to cover an area 10 meters long and 2 meters wide. How many cubic meters of concrete will the builder need?

Practice Problems on H.C.F and L.C.M – A company decided to install a fountain within it main entrance lobby. If fountain is to be 148 cm wide 297 long and 91 cm deep. How much water would be required to feel the fountain to a depth of 69 cm?(1 liter=1000 cubic centimeters)

Practice Problems on H.C.F and L.C.M – A cylindrical vessel of radius 4 cm contains water. A solid sphere of radius 3 cm is lowered into the water until it is completely immeresed. The water level in the vessel will rise by

Practice Problems on H.C.F and L.C.M – A polygon has 44 diagonals. Number of sides=?

Practice Problems on H.C.F and L.C.M – A cylindrical container has a radius of eight inches with a height of three inches. Compute how many inches should be added to either the radius or height to give the same increase in volume?

Practice Problems on H.C.F and L.C.M – If the radius of the sphere is increased by 50%, find the increase percent in volume and the increase percent in the surface area.

Practice Problems on H.C.F and L.C.M – If each edge of a cube is increased by 50%, find the percentage increase in its surface area.

Practice Problems on H.C.F and L.C.M – If the wheel of a bicycle makes 560 revolutions in travelling 1.1 km, what is its radius?

Practice Problems on H.C.F and L.C.M – Find the slant height, volume, curved surface area and the whole surface area of a cone of radius 21 cm and height 28 cm.

Practice Problems on H.C.F and L.C.M – Find the lowest common multiple of 24, 36 and 40?

Practice Problems on H.C.F and L.C.M – LCM of 252, 308 and 198 is

Practice Problems on H.C.F and L.C.M – The difference of two numbers is 14. Their LCM and HCF are 441 and 7. Find the two numbers ?

Practice Problems on H.C.F and L.C.M – A certain organization has three committees.Only two persons are members of all committees,but every pair of committees have three members in common.What is the least possible no of member of members on any one committee?

Practice Problems on H.C.F and L.C.M – In a class if 1 is absent the rest of them can be divided into 6 equal groups and if two are absent can be divided into 7 equal groups. Find the minimum number of students in the class?