sudo npm install brain-games-onlyo -g
brain-even (Is it an even number?)
brain-calc (Solve three mini arithmetic exercises)
brain-progression (Find out what number is missing in math progression)
brain-gcd (Find the greatest common divisor)
brain-prime (Is it a prime number?)
Launch game:
brain-even
Answer "yes" if number are even, otherwise answer "no".
Question: 5
Your answer: no
Correct!
Launch game:
brain-calc
Find out the result of the expression
Question: 5 * 12
Your answer: 60
Correct!
Launch game:
brain-gcd
Find the greatest common divisor of given numbers.
Question: 22, 50
Your answer: 2
Correct!
Launch game:
brain-prime
Is the number prime?
Question: 50
Your answer: no
Correct!
Launch game:
brain-progression
What number is missing in this progression?
Question: 5 9 .. 17 21 25 29 33 37 41
Your answer: 13
Correct!