Question
CSATHardPrelims 2020Reasoning

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?

Explanation

As per the given condition in the question:

14=13+114 = 13 + 1 18=17+118 = 17 + 1 20=19+120 = 19 + 1 24=23+124 = 23 + 1 30=29+130 = 29 + 1 32=31+132 = 31 + 1 The next prime number after 31 is 37. Therefore,

37+1=3837 + 1 = 38 Hence, option C is the correct answer.

More questions fromReasoning

See All Answers

Trusted by 2L aspirants

Practice UPSC Prelims PYQs Smarter

Practice Now
  • Track accuracy & weak areas
  • See past trends & repeated themes
Start Practicing Now

PYQs by Papers

Crack UPSC with your
Personal AI Mentor

An AI-powered ecosystem to learn, practice, and evaluate with discipline

SuperKalam
SuperKalam is your personal mentor for UPSC preparation, guiding you at every step of the exam journey.

Download the App

Get it on Google PlayDownload on the App Store
Follow us

ⓒ Snapstack Technologies Private Limited