जब किसी संख्या में पहले 18% की वृद्धि की जाती है और फिर 18% की कमी की जाती है, तो संख्या में शुद्ध परिवर्तन होता 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?