@ThinkLearnThrive

7:42 (C) Mach 14 and upto 30 km altitude 

Mach number is ratio of the speed of the aircraft to the speed of sound .
< Mach 1 is traveling at subsonic speeds
=Mach 1 - transonic
> Mach 1 - supersonic

@Leena-ec1gy

C) The S-400 System is capable of engaging targets flying at speeds up to Mach 14 and at altitudes ranging from 10 meters to 30 kilometers.

@Prameet-li1oe

Option C is the correct answer

@ashutoshpandey9102

Option C 
Correct πŸ’―πŸ’―πŸ’―βœ…βœ…βœ… Answer

@ashutoshpandey9102

Thank you so much Ma'am & Drishti IAS πŸ˜ŠπŸ˜ŠπŸ™πŸ™β€οΈβ€οΈ

@guriyasingh1419

C is correct option thank you mam ❀

@SJ.......28

C - mach 14 and 30 km altitude

@rajshekhar1704

GOOD DETAILING AND NICE EXPLANATION
THANK YOU TEAM DRISHTI☺☺

@sakshambhadoria9998

C is the correct option.

@santoshsharma-tn1kc

Option c is right ❀❀❀

@manashpratimdeka1966

Thank you πŸ™

@sagarbehera3258

Option C

@yasha4483

Thank you!
Maam

@Upscwalastudy-25

C 14/15 mach

@YMSandgeSpeaks

Option C is the Correct Answer

@AryanKumar-s1v3o

option c(14 to 30)

@tuneflicks-b3y

Option.C

@NaveenVarasiddi7

Option C Maam.