for this question Answer is A and B .
for option C and D these aoption satisfied the condition but besides this other value of P and T is also possible so we can not surely say that this is the only value of P and T .so option A and B is only correct
Please feel free to post as many doubts on our discussion forum as you can.
If you find any question Difficult to understand - post it here and we will get you
the answer and detailed solution very quickly.
We are all IITians and here to help you in your IIT JEE preparation.
All the best.