(a) Find the value of ' p ' for which the quadratic equation p(x−4)(x−2)+ (x−1)2=0 has real and equal roots.
OR
(b) Had Aarush scored 8 more marks in a Mathematics test, out of 35 marks, 7 times these marks would have been 4 less than square of his actual marks. How many marks did he get in the test?