1 Answers

Option 2 : 907

Calculation:

Total percentage of qualified students from the Districts A, C and F = (15% + 28% + 5%)

⇒ 48%

The average number of qualified students from the Districts A, C and F = (48% of 68000)/3

⇒ (48/100 × 68000)/3

⇒ 32640/3

⇒ 10880

Total percentage of qualified students from the Districts B, D and E = (25% + 18% + 9%)

⇒ 52%

The average number of qualified students from the Districts B, D and E = (52% of 68000)/3

⇒ (52/100 × 68000)/3

⇒ 35360/3

⇒ 11786.66 ~ 11787

Required difference = (11787 – 10880)

⇒ 907

∴ The required difference is 907

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