XAT 2019 — QA & DI Question 26
Pie-ChartsEasy
Passage / Data
Answer the next 3 questions based on the information given below.
The break-up of the students in a university by subject major is given in the polar pie-chart. The bar chart shows the number of students who major in physics by geographic location.
âââââââ
âââââââ
If the proportion of physics majors who are from Delhi is the same as the proportion of engineering majors who are from Delhi, how many engineering majors are from Delhi?
Answer & solution
- A
22
- B
26
- C
18
20
- E
24
Solution
Total number of majors = 1250.
Number of majors in Engineering ≈ 20% 0f 1250 = 250.
Proportion of Physics major from Delhi = 18/225
Let number of Engineering majors from Delhi = d
∴ d/250 = 18/225
⇒ d = 18 × 250/225 = 20
Hence, option (d).