सुनील ने एक निश्चित दूरी किसी गति से तय की। यदि वह 3 किमी/घंटा तेज चलता, तो उसे 20 मिनट कम लगते। यदि वह 2 किमी/घंटा धीमा चलता, तो उसे 20 मिनट अधिक लगते। दूरी (किमी में) है:

Who among the following founded the 'Forward Bloc'?

Which of the following statements regarding the Harappan Civilization is NOT correct?

Which ruler is generally credited with unifying much of Northern India under a single empire for the first time?