

Zf 12% GST is included in the price of a radio bought for ₹ 4480 find its market price.
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.