Consider the following in respect of Prime number 'p' and Composite....(CSAT) | UPSC - ClearIAS

Consider the following in respect of Prime number 'p' and Composite number 'c'.

1. p + c / p - c can be even.
2. 2p + c can be odd.
3. pc can be odd.

Which of the statements given above are correct?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

Join the ClearIAS CSAT Course to learn the difficult concepts of UPSC CSE Prelims Paper II using simple and easy methods. Details - https://www.clearias.com/csat-course/

Is IAS, IPS, or IFS your dream career?

Enroll in ClearIAS Online Programs for UPSC CSE - https://www.clearias.com/programs/

Explore ClearIAS online learning platform - https://www.clearias.com/

Subscribe to ClearIAS YouTube Channel - https://www.youtube.com/clearias?sub_...

Join ClearIAS Telegram Channel: https://telegram.me/clearias

Download ClearIAS Mobile Apps:
(1) ClearIAS Learning App - https://play.google.com/store/apps/de...
(2) ClearIAS Test-Prep App - https://play.google.com/store/apps/de...
(3) ClearIAS Classes App - https://play.google.com/store/apps/de...