This Blog is a collection of brain teasers, puzzles (maths,fun,brain etc), riddles,Questions, Quiz.
2716 becoz its sum is even
5321 bcoz all numbers are primes in this
1 is not a prime number but yes 5321 is odd as it is the only series
I think it is B) 2716 because it docent have 5 in a c and d all of them have 5 but b docent.
2176 IS THE ONLY ONE WITH NO 5
2176 IS THE ONLY EVEN NUMBER
Question is ambigous, One can choose various property of the number to select a odd one. For example(1)addition of digit is odd or even(2)addition of digit is prime or compound number(3)number is odd or even (4)No. of prime factors: odd,even,prime or dissimilarList of such property is endless and hence answer can be different
only 2716 is divisible by 11