72 किमी./घंटा की चाल मीटर/सेकेण्ड में होगी? - - 72 KM./Ghata Ki Chaal Meter/Second Me Hogi ? Maths in hindi, boats & streams 15 Meter/Se. question answers in hindi pdf 20 Meter/Se. questions in hindi, Know About 9 Meter/Se. Maths online test Maths notes in hindi quiz book 22 Meter/Se.