What is the ratio of the number of girls enrolled in swimming to the number of boys enrolled in swimming?

47:49

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23:29

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29:23

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49:47

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None of these

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Solution

The correct option is D
49:47

Number of girls enrolled in swimming = $\frac{14 \times 1750}{100}$ = 245

Number of boys enrolled in swimming = $\frac{16 \times 3000}{100}$ - 245 = 480 - 245 = 235

$∴$ Required ratio = 245:235 = 49:47

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What is the ratio of the number of girls enrolled in swimming to the number of boys enrolled in swimming?

The correct option is D 49:47 Number of girls enrolled in swimming = 14 ×1750100 = 245 Number of boys enrolled in swimming = 16 ×3000100 - 245 = 480 - 245 = 235 ∴ Required ratio = 245:235 = 49:47

The correct option is D
49:47

Number of girls enrolled in swimming = $\frac{14 \times 1750}{100}$ = 245

Number of boys enrolled in swimming = $\frac{16 \times 3000}{100}$ - 245 = 480 - 245 = 235

$∴$ Required ratio = 245:235 = 49:47