How many persons can be accommondatd in a dining hall of dimensions `(20cmxx16cmxx4.5cm)`, assuming that each persons requires 5 cubic metres of air?

How many persons can be accommodated in the hall Whose length is 18 m and breadth is 14 m and height of the hall is 5 m assuming that 4.5 m^3 of air is required for 1 person.

Find the how many cubes, each of edge 4 m, can be cut from a cuboid of dimensions 20mxx16mxx8m .

How many lead shots each 0.3 cm in diameter be can made from a cuboid of dimension 9 cm xx 11 cm xx 12 cm ?

How many 5-digit numbers can be formed by using the digits 5, 4, 3, 3,0?

How many planks of dimensions (5mxx25cmxx10cm) can be stored in a pit which is 20 m long, 6m wide and 80 cm deep?

Shanti Sweets Stall was placing an order for making cardboard boxes for paking their sweets. Two sizes of boxes were required. The bigger of dimensions 25 cm by 20 cm by 5 cm and the smaller of dimensions 15 cm by 12 cm by 5 cm. 5% of the total surface area is required extra, for all the overlaps. If the cost of the cardboard is Rs 4 for 1000 cm^2 , find the cost of cardboard required for supplying 250 boxes of each kind.

How many 5-digit even numbers can be formed using the digits 1,2,5,4,5 ?

How many litres of milk can a hemispherical bowl of diameter 10.5 cm hold?

In how many ways can 12 things be equally divided among 4 persons ?