Q5. If one zero of the quadratic polynomial f(x) = 4x² - 8px - 9 is negative of the other, then the value of p Is
(1) O (3) 2 (2) 1 (4) 3
Q6. When I was 16 years old, my father was 40 years old. Now he is twice of my age, then my present age is 3
(1) 22 years (3) 20 years (2) 25 years (4) 24 years ​