To fix fence wires in a garden, 70m long and 50m wide, Arvind bought metal pipes for bosts. He fixed a post every 5 metres apart. Each post was 2m long. What is total length of the pipes he bought for the posts?

A train passes a telegraph post in 8 seconds and a 264 m long bridge in 20 seconds .What is the length of the train ?

A farmer has decided to build a wire fence along one straight side of his property. For this, he planned to place several fence-posts at 6 m intervals, with posts fixed at both ends of the side. After he bought the posts and wire, he found that the number of posts he had bought was 5 less than required. However, he discovered that the number of posts he had bought would be just sufficient if he spaced them 8 m apart. What is the length of the side of his property and how many posts did he buy? (a) 100 m, 15 (b) 100 m 16 (c) 120 m, 15 (d) 120 m, 16

A piece of land is 10.5 m long and 4.2 m wide.Two square flower beds each 1.2 m wide are made in it and the rest is used for laying grass.What is the area of the grass portion of the field.

piece of land is in the shape of a square and its area is 1000m^(2). This has to be fenced using barbed wire.The barbed wire is available only in integral lengths.What is the minimum length of the barbed wire that has to be bought for this purpose?

The inner and outer radii of a 7 m long hollow iron right circular cylindrical pipe are 2 cm and 4 cm respectively. If 1000 cm^3 of iron weighs 5 kg, what is the weight of the pipe ?

Vijay is trying to find the average height of a tower near his house. He is using the properties of similar triangles.The height of Vijay’s house if 20m when Vijay’s house casts a shadow 10m long on the ground. At the same time, the tower casts a shadow 50m long on the ground and the house of Ajay casts 20m shadow on the ground. What will be the length of the shadow of the tower when Vijay’s house casts a shadow of 12m?

Rakesh has a rectangular field of length 80 m and breadth 60 m. In it, he wants to make a garden 10 m long and 4 m broad at one of the corners and at another corner, he wants to grow flowers in two floor-beds each of size 4 m by 1.5 m. In the remaining part of the field, he wants to apply manures. Find the cost of applying the manures at the rate of Rs 300 per area.

In the simple Wheatstone bridge circuit, where the length AB of bridge circuit wire is 1m the resistance X and Y have value 5 Omega and 2 Omega respectively, When X is shuted by a length of a wire the balance point to found to be 0.625 m from A. What is the resistance of the shunt ? If the shunt is 0.75 m long end 0.25 mm in diameter, what is the respectivity of the material of the wire ?