jpa one to one mapping

A function f : A g B is called a 1-1 mapping, if every element of f(A) does not have more than one pre-image. ..

The following are the Types of Functions or Mapping: (1) One-one function (2) Many-one function (3) Onto function (4) Into functio..

Mapping of Magnetic Lines of Force - A pictorial representation that gives the direction of the magnetic field at various points in a magnetic field is called a map of the magnetic field Let us now map the magnetic field by using a compass Fix a sheet of paper on a dra..

One inch is equal to 40 miles on the map. How many miles are there in 10 inches? => 400 miles or 150 miles or 50 miles or 40 miles..

Identify the isometry that maps figure 1 to figure 3. => translation or glide reflection or reflection or dilation..

If you take 1 cm as 8 m on the map, how many centimeters represent 32 meters? => 6 cm or 3 cm or 8 cm or 4 cm..

A map gives the length of rivers representing them with a scale of 5 cm : 35 mi. If one of the rivers on the map is of length 20 cm, then what is the actual length of the river? => 147 mi or 137 mi or 140 mi or 143 mi..

A map is drawn using a scale of 1 inch : 4 meters. If the length of a bridge on the map is 20 inches, then find the actual length of the bridge. => 80 meters or 77 meters or 81 meters or 79 meters..

An oblong measured 12 square inches on a map. How much will the oblong actually measure, if the scale of the map is 1 inch: 30 miles? => 350 square miles or 360 square miles or 340 square miles or 330 square miles..

Find the scale factor that maps PQRS onto ABCD. => 1.5 or 3 or 2 or 0.5..