In a test,5 questions are of the form state true or false .No student has got all answers correct . Also , the answer of every student is different . Find the number of students appeared for the test
In a test,5 questions are of the form state true or false .No student has got all answers correct . Also , the answer of every student is different . Find the number of students appeared for the test
P is the midpoint of side AB of a parallelogram ABCD. A line through B parallel to PD meets DC at Q and AD produced at R. Prove that BC = 1/2 AR
For A = { 1 2 3 4}, find the relation in A for R = {(x,y) | x+y <5}, also write the range of R.
The perimetres of two similar triangles are 30cm and 20 cm respectively. If one side of the triangle is 12 cm. Determine the corresponding side of the second triangle