एक संख्या को दोगुना करके उसमें 9 जोड़ा जाता है। यदि पूरे परिणाम को तिगुना कर दिया जाए, तो अंतिम मान 75 हो जाता है। वह मूल संख्या ज्ञात कीजिए।

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?