Q:

Select the next number in the series: 16, 26, 21, 31, __?

A:

The next logical number in the series comprised of 16, 26, 21, 31, __ is 26. The difference between 16 and 26 is 10, the difference between 26 and 21 is -5, and the difference between 21 and 31 is again 10.

Know More

Logically, the next number differs from 31 by -5, so the answer is 26. A number sequence is a set of limited numbers with a relationship of some sort to which one must come up with the missing number. Number sequences often appear as problems on standardized tests. Arithmetic and geometric sequences are most frequently seen, but many sequences fall into neither category.

Related Questions

• A:

The number one is neither prime nor composite. Prime numbers are those defined as natural numbers greater than one not divisible by any other numbers but one and itself. Composite numbers have at least one additional positive divisor and include all whole numbers greater than one that are not prime.

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• A:

The number one is neither prime nor composite. Prime numbers are positive integers greater than one that are evenly divisible only by themselves and one. Composite numbers are positive integers that have divisors other than themselves and one.

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The significance of the number 23 is mostly created by pop culture, although speculation about its mystical importance has existed for centuries. The 2007 mystery-thriller film called "The Number 23" starring Jim Carrey was created in recognition of the number's meaning, according to /Film.