IBPS PO 2020 · Question 6 of 99
Data Interpretation (tabulation)
Number of girls of School A in 1999 = 40% of 300 = 120; number of boys of School B in 2005 = 25% of 600 = 150. The number of girls of School A in year 1999 increased by 10% = 120 × (110/100) = 132. The number of boys of school B in year 2005 decreased by 20% = 150 × (80/100) = 120. Required ratio = 132 : 120 = 11 : 10.
Source: IBPS PO 10-Oct-2020 Prelims Memory Based Paper Shift 1 (Prepp) · memory-based
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