Bunuel wrote:

In the square above, what is the area of the shaded region?

(A) 11/10

(B) 4/5

(C) 7/10

(D) 3/5

(E) 2/5

Attachment:

2017-10-11_1156.png

The area of one small square is \(\frac{1}{4}\) * \(\frac{1}{5}\) = \(\frac{1}{20}\)

There are 5 * 4 = 20 small squares

6 of 20 are not shaded. 14 of 20 are. Area of shaded region:

\(\frac{1}{20}\) * 14 = \(\frac{14}{20}\) = \(\frac{7}{10}\)

Answer (C)

_________________

In the depths of winter, I finally learned

that within me there lay an invincible summer.

-- Albert Camus, "Return to Tipasa"