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  1. The smallest number to be added to 1000, so that 45 divides the sum exactly, is :
    1. 35
    2. 80
    3. 20
    4. 10
Correct Option: A

1000 = (45 × 22) + 10
∴  45 – 10 = 35 to be added.
So, the smallest number to be added to 1000 to make the sum exactly divisible by 45 is 35.


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