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  1. The Average of 100, 200, 300, 400, ... , 1000 is 550. If each number is divided by 5, then the new average will be equal to
    1. 450
    2. 45
    3. 55
    4. None of these
Correct Option: D

Actual average
=( 100 + 220 + 300 + ... + 1000 ) / 10
=550

New Average = 550 / 5
=110

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