Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.
The Goldbach Conjecture
Even or Odd
Speed of car travelling x meters in y seconds
Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Alternating 1´s and 0´s in a matrix
Get the value 100
Ratio between sum of primes and sum of factors
Check if is a square
Double the next!
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