Practicing Success
A printed page is to have total area of 80 sq.cm with margin of 1 cm at the top and on each side and margin of 1.5 cm at the bottom. Which of the following are true? (A) Area of printed portion; $A= (x-2) \left(y-\frac{5}{2}\right)$ (B) Printed area is maximum at $x= 18 \, cm $ (C) Printed Area function $A(x)= 85-\frac{5x}{2}-\frac{160}{x}$ (D) Printed area is maximum at y = 8 cm (E) Dimension of printed page are 10 cm & 8 cm Choose the correct answer from the options given below : |
(A), (B), (C) only (A), (C), (E) only (B), (C), (D) only (C), (D), (E) only |
(A), (C), (E) only |