Amitava, can you please be a little more specific than "mentioned earlier"? Remember, you can put links into your description with notation.
corrected. thanks, Ned.
struggled with this one :) Hint :monte carlo algorthim approach
Least common multiple of many numbers
Numbers with prime factors 2, 3 and 5.
Next Higher Power of B
Who invented zero?
subtract central cross
Looking for Squares
Given a number N, find the smallest prime P>N
Acidity of vinegar and salts
Size of this cup?
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