If a person prays for more than one deceased person, what will his reward be?

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Check below answers in case you are looking for other related questions:
Who is more entitled to wash the deceased?
Is it prescribed to call people for the funeral prayer?

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Related Answers:
Should the funeral prayer be offered for the shaheed when he is killed?
It is permissible for one of the spouses to wash the other after death
Reciting Soorat Yaa-seen for the dying person
Who is more entitled to wash the deceased?
Is it prescribed to call people for the funeral prayer?

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