The Ultimate Comparo

Sr. Aircraft Top Speed (in mach) Category Engine type Aircraft type 1. North American X-15 6.70 Hypersonic Rocket Experimental 2. Lockheed SR-71 Blackbird 3.50 Supersonic Twin turbojet Strategic reconnaissance 3. Lockheed YF-12 3.35 Supersonic Twin turbojet Prototype interceptor 4. MiG-25 Foxbat 3.20 Supersonic Twin turbojet Interceptor & reconnaissance 5. Bell X-2 Starbuster 3.19 Supersonic Rocket Research 6. North American XB-70 Valkyrie 3.00 Supersonic Six turbojet Prototype strategic bomber 7. MiG-31 Foxbat 2.83 Supersonic Twin turbojet Interceptor 8. McDonnell Douglas F-15 Eagle 2.5 Supersonic Twin turbojet Tactical fighter 9. General Dynamics F-111 Aardva...

INDIAN 10 N WESTERN Das 10 Ten Saw 10 2 Hundred Hazar 10 3 Thousand Lakh 10 5 - - 10 6 Million Crore 10 7 - Arab 10 9 Billion Kharab 10 11 - - 10 12 Trillion Neel 10 13 - Padma 10 15 Quadrillion Shankh 10 17 - - 10 18 Quintillion Udpadha 10 19 - Ank 10 21 Sextillion - 10 24 Septillion - 10 27 Octillion - 10 30 Nonillion - 10 33 Decillion - 10 36 Undecillion - 10 39 Duodecillion - 10 42 Tredecillon - 10 45 Quattuordecillion - ...