संज्ञा • trial and error

प्रयत्न-त्रुटि:    trial and error

प्रयत्न-त्रुटि विधि:    trial and error trial and error met

विधि:    act regularity regulation rite rule ceremony fate

से:    through specially herewith past by afar affiliate

परीक्षण:    check mental testing psychometric test experiment