1.

1). 3002). 3803). 4004). Cannot be determined

Answer»

⇒ Let the original number of CHILDREN be x

⇒ 2400 / (x – 100) – 2400 / x = 2

⇒ (2400x - 2400x + 240000)/x² - 100X = 2

⇒ 240000 = 2x² – 200x

120000 = x² – 100x

400(400 – 100) = x(x – 100)

∴ x = 400 



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