Consider the following statements: [2001]1. Arya Samaj was founded in 18352. Lala Lajpat Rai opposed the appeal of Arya Samaj to the authority of Vedas in support of its social reform programme3. Under Keshab Chandra Sen, the Brahmo Samaj campaigned for women's education4. Vinoba Bhave founded the Sarvodya Samaj to work among refugeesWhich of these statements are correct?