Find the smallest number which, on being added 7 to it , is exactly divisible by 25,45,63,84?
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26
we can do this by taking out the lcm of these four numbers and subtracting 7 from the lcm of these numbers.
So, the lcm of 25,45,63 and 84= 6300
6300-7=6293
Therefore, 6293 is the answer.
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