Narrated Imran ibn Husayn: A man came to the Prophet ﷺ and said: Peace be upon you! He responded to his salutation. He then sat down. The Prophet ﷺ said: Ten. Another man came and said: Peace and Allah's mercy be upon you! He responded to his salutation when he sat down. He said: Twenty. Another man came and said: Peace and Allah's mercy and blessings be upon you! He responded to him and said when he sat down: and blessings be upon you! He responded to him and said when he sat down: Thirty.
Hadith Referenceسنن ابي داود / أبواب السلام / 5195
Narrated Muadh ibn Anas: (This version is same as previous No 5176 from the Prophet ﷺ, adding that): Afterwards another man came and said: Peace and Allah's mercy, blessings and forgiveness be upon you! whereupon he said: Forty. adding: Thus are excellent qualities rewarded.
Hadith Referenceسنن ابي داود / أبواب السلام / 5196
Hadith Gradingالألبانی:ضعيف الإسناد | زبیر علی زئی:ضعيف, إسناده ضعيف, الراوي شك في اتصاله, وللحديث شاھد ضعيف عند البخاري في التاريخ الكبير (1/ 330), انوار الصحيفه، صفحه نمبر 180
Hadith Takhrij« تفرد بہ أبو داود، (تحفة الأشراف: 11300) (ضعیف الإسناد) » (راوی ابن ابی مریم نے نافع سے سماع میں شک کا اظہار کیا)