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    An army of 12,000 soldiers is made up of North and South Indians. The average height of South Indian soldiers is 5 feet 10 inches and the average heig
    Question

    An army of 12,000 soldiers is made up of North and South Indians. The average height of South Indian soldiers is 5 feet 10 inches and the average height of North Indian soldiers is 5 feet 9 inches. The average height of the entire army is 5 feet 93/4 inches. Find the number of South Indians in the army

    A.

    3000

    B.

    4000

    C.

    8000

    D.

    9000

    Correct option is D

    9000

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