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| Q.78 | एक कार चेन्नई से बैंगलोर तक 60 किमी/घंटा (km/hr)की गति से यात्रा करती है और 40 किमी/घंटा (km/hr)की गति से उसी रास्ते से वापस लौटती है। कार की औसत गति _____द्वारा दी गई है: | |
| Ans | 1. 48 km/hr | |
| 2. 172.8 km/hr | ||
| 3. 50 km/hr | ||
| 4. 13.8 km/hr |
Correct Ans Provided: 1
