A simple mathematical operation in each number of sequence 14, 18, 20, 24, 30, 32

A simple mathematical operation in each number of sequence 14, 18, 20, 24, 30, 32, … results in a sequence with respect to prime numbers. Which one of the following is the next number in the sequence?

1. 34
2. 36
3. 38
4. 40

Answer: C

Explanation

As per the given condition in question:

14 = 13 + 1

18 = 17 + 1

20 = 19 + 1

24 = 23 + 1

30 = 29 + 1

32 = 31 + 1

Next prime number after 31 is 37.

So, 37 + 1 = 38

• Exam Year: 2020