Paper 1 · Data Interpretation
UGC NET December 2021 June 2022 (11.07.2022) Shift-II
Data
Number of persons (in thousands) affected by COVID-19 in five cities A–E and affected Male:Female ratio.
| City | Affected (thousands) | Male:Female |
|---|---|---|
| A | 64 | 5:3 |
| B | 54 | 5:4 |
| C | 16 | 3:1 |
| D | 48 | 7:5 |
| E | 27 | 2:1 |
What is the difference between the total number of males in cities B, C and E together and the total number of females in cities A, C and D together who are affected by COVID-19?
A15000
B13000
C12000 ✓ Correct
D14000
Correct answer: (C) 12000 — Males in B, C and E are 30000, 12000 and 18000, giving a total of 60000.
Explanation
★Males in B, C and E are 30000, 12000 and 18000, giving a total of 60000.
★Males in City B are 5 by 9 of 54000, equal to 30000.
★Males in City C are 3 by 4 of 16000, equal to 12000, and in City E 2 by 3 of 27000, equal to 18000.
★Females in A, C and D are 24000, 4000 and 20000, giving a total of 48000.
★The difference between 60000 and 48000 is 12000.
★Grouped comparison sums each requested set separately before subtracting.
★Reading the correct ratio share for each city is the key to accuracy.
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