She is not sure whether her prayer and fasting are valid

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Check below answers in case you are looking for other related questions:
He did not know that ghusl from janaabah is obligatory; should he repeat the prayers?
He masturbated not knowing that it invalidates the fast

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Related Answers:
She did not know the signs of puberty so she did not fast in Ramadaan, out of ignorance
Ruling on injections and intravenous fluids for one who is fasting, and the impact of the intention (niyyah) on invalidating the fast
by hitting or shouting at students?
He did not know that ghusl from janaabah is obligatory; should he repeat the prayers?
He masturbated not knowing that it invalidates the fast

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