SSC CGL Official PYQQuantitative Aptitude12 Sep 2025 (Shift 1)
Q.
From a sample of 250 data scientists, determine the ratio of those proficient in Python to those proficient in R.
| Category | Number of Data Scientists |
|---|---|
| Proficient in Python and R | 50 |
| Proficient in Python only | 80 |
| Proficient in R only | 70 |
| Proficient in neither language | 50 |
| Total Sample Size | 250 |
A
a) 13:12
B
b) 12:13
C
c) 8:7
D
d) 7:8
Correct Answer: Option A)
Detailed Step-by-Step Explanation:
Total proficient in Python = 50 (Both) + 80 (Python only) = 130. Total proficient in R = 50 (Both) + 70 (R only) = 120. Ratio Python : R = 130 : 120 = 13:12.