Paper 1 · Data Interpretation
UGC NET December 2022 (21.02.2023) Shift-I
Passage
The following table shows the number of persons in six cities A to F in 2020, along with the ratio of males to females and the ratio of literates to illiterates in these cities. City A has 5,00,000 persons with a male-to-female ratio 3:2 and a literate-to-illiterate ratio 1:4. City B has 3,60,000 persons with ratios 4:6 and 4:1. City C has 2,80,000 persons with ratios 3:4 and 2:5. City D has 4,50,000 persons with ratios 5:4 and 3:2. City E has 5,00,000 persons with ratios 2:3 and 2:3. City F has 3,00,000 persons with ratios 2:1 and 7:3. Based on the data, answer the questions that follow.
The number of females in City B is what percent of the number of females in City C?
A138
B110
C120
D135 ✓ Correct
Correct answer: (D) 135 — City B's females are 135 percent of City C's, so the answer is 135.
Explanation
★City B's females are 135 percent of City C's, so the answer is 135.
★City C has 2,80,000 persons with a male-to-female ratio 3:4.
★So its females are 4 of 7 parts of 2,80,000, which is 1,60,000.
★City B has 3,60,000 persons with a male-to-female ratio 4:6.
★So its females are 6 of 10 parts of 3,60,000, which is 2,16,000.
★As a percentage of City C this is 2,16,000 over 1,60,000 times 100.
★That equals 135 percent.
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