यदि संख्या 2687531 में प्रत्येक विषम अंक में 2 जोड़ा जाता है और प्रत्येक सम अंक से 1 घटाया जाता है, तो इस प्रकार बनी नई संख्या में कितने अंक एक से अधिक बार दिखाई देंगे?

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?