Heterodox sects

Which of the following statements with regard to the heterodox sect between sixth and fourth century BC are correct?

1. The Jain ideas were already being circulated in the seventh century BC by Parshva
2. Although Buddhism, and to a lesser extent Jainism, took account of the changes in material life and reacted against orthodoxy, neither of these sought to abolish the caste system
3. The first female disciple of Mahavira is said to have been a captured slave woman
4. Buddha held that nuns could attain spiritual liberation just like a monk and granted them an equal status in the mendicant order

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With reference to the history of ancient India, which of the following was/were common to both Buddhism and Jainism?

1. Avoidance of extremities of penance and enjoyment
2. Indifference to the authority of the Vedas
3. Denial of efficacy of rituals

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