‘SEE’, ‘LOOK’ & ‘WATCH’ में क्या difference हैं? By Nikhil sir

चाल दूरी तथा समय में क्या सम्बन्ध है

निम्न आकृति में कुल कितने वर्ग हैं :

निम्न आकृति में कुल कितने त्रिभुज हैं ?

Natural selection has the ability to make a population look different when it is coupled with

The following graph shows the result of a survey to test water resistant watches made by four different companies. Read the graph and answer the following question. Which company has the worst watches?

The following graph shows the result of a survey to test water resistant watches made by four different companies. Read the graph and answer the following question. Which company has the best watches?

The second's hand of a watch has length 6 cm. Speed of end point and magnitude of difference of velocities at two perpendicular positions will be

The second's hand of a watch has length 6 cm. Speed of end point and magnitude of difference of velocities at two perpendicular positions will be