LET US MEAUSRE LAND Rahim uncle flowering in half portion of his recangular field. The length and breadth of the field are 50 metre and 40 metre respectively.

If a hole of size 5 m xx 4·5 m xx 2.1 m be dug in the middle position of a field of length 13·5 metres and of breadth 2·5 metres and the soil obtained from it be strewed upon the rest of the field, then how much the height of the field will be increased ?

The length and breadth of Mihir,s rectangular garden are 50 metre and 30 metre respectively. There is a road in the middle of the garden of width 4 metre parallel to the length of the garden. This road divides te garden into two rectangular region of equal area. Let's draw a picture and find the area of the road and note it down.

The length and breadth of a rectangular field are }54 m and 121 m respectively. If by digging a hole of length 14 m and breadth 11 m in the middle of the field, the soil thus obtained is dispersed in the remaining land, then the height of the field is increased by 25 cm. Determine the depth of the hole.

The depth of a cuboid pond with length of 20 m and breadth of 18.5 m is 3.2 m, determine the time required to irrigate whole water of the pond with a pump having the capacity to irriagate 160 kilolitres water per hour. If that quantity of water is poured on a paddy field with a ridge having the length of 59.2 m and breath of 40 m, then what is the depht of water in that land ? [Let 1 cubic metre=1 kilolitre]

The daily requirements of water of three families in our three-storyed flat are 1200 litres, 1050 litres and 950 litres respectively. After fulfilling these requirements in order to put up a tank again and to deposit to store 25 % of the required water, only a land having the length of 2·5 m and breadth of 1 ·6 m has been procured. Calculate the depth of the tank in metre that should be made. If the breadth of the land would be more by 4 dcm, then calculate the depth of the tank to be made.

The length of Karim uncle's plot of lands is twice its breadth and its area is 578 sq.m. Let us find the length, breadth and perimeter of Karim Uncle's land.

There is a rectangular shape of play-ground at the back of our school. The length of this playground is 40 metre and the breadth is 20 metre. A road having 3 metre with is there all around inside the play-ground. Let's work out how much money will be required to contruct the road at Rs. 95/sq.m.

The length and breadth of n rectangular field of a village are 20 m and 15 m respectively. For construction of pillars in the 4 corners of that field 4 cubic holes huving length of 4 m are dug out and the soils removed arc dispersed on the remaining land. Calculate the height of the surfaces of the field that is increased by it.

Narayan, standing in the midst of a field, observes a flying bird in his north at an angle of elevation of 30^@ and aft er 21 minutes he observes the bird in his south at an angle of elevation of 60^@ . If the bird flies in a s traight line all a height of 50sqrt3 metres, then find its speed in metre per minuts.

Habib uncle has a furniture shop of next to Sarjeena's house. In his shop, there is a log of length 12frac(3)(5) m. He, cuts off 4frac(1)(5) m. of the log and keeps it apart. He divided the remaining portion of log into 3 equal parts, with 3/7 parts of one of three parts, he decided to make small wooden things. Let us calculate, what lenght of log he will use to make those small things. Firstly, let us find out, what lenght of log left when 4ꟷ1/5 m is out off.