Directions: Study the following pie-charts carefully to answer these questions.

The graphs depict the following:

- Percentage of students in a college studying various subjects
- Percentage of girls out for various subjects.

**Question** **1**: The number of girls studying Arts in college is

(a) 242

(b) 168

(c) 120

(d) 276

**Question 2:** For which subject is the number of boys the minimum?

(a) Law

(b) Biology

(c) Arts

(d) Maths

**Question 3:** For Political Science, what is the ratio of boys and girls?

(a) 4 : 3

(b) 3 : 4

(c) 2 : 3

(d) 4 : 5

**Question 4:** The number of girls studying Arts is what percent more than the number of boys studying Arts?

(a) 170%

(b) 150%

(c) 80%

(d) 250%

### Answers and Explanations

**Answer 1: (b)**

The required number = 14% of 1200 = 168.

The correct option is (b)

**Answer 2: (a)**

In Law, the number of boys = 20% of 1800 – 30% of 1200 = 360 –360 = 0.

Thus, the number of boys in law is least.

The correct option is (a)

**Answer 3: (b)**

The required ratio is

= {(35% of 1800 – 30% of 1200)/(30% of the 1200)}

= ((630 -360)/360}

=27/36 = 3:4

The correct option is (b)

**Answer 4: (d)**

Number of girls studying arts = 14% of 1200 = 168

Number of boys studying arts = 12% of 1800 -168 = 216-168 = 48

The required percentage = {(168 – 48)/48} x 100 = 120/48 x 100 = 250%

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