Q: Is wudhu valid if someone wrote on their hands with pen and didn't scrub it off?

Q: Please advise the best ways (most recommended ways) to spend/dispose of interest money earned from a bank savings account?

Q: If one took a riba based loan, and he repents, should he repay only the capital portions of the loan or also the interest on the loan?

Q: Is it permissible to perform tawaaf on a wheelchair despite being able to walk? 

Q: Shab e Baraat is soon and I’d like to know how can a woman in haidh spend it? I am aware we can do dhikr but could you please assist with any specific zikr that holds a lot of weight that can be done on this night?

Q: I am teaching students in the maktab and I came across these four Ahaadith in the talimi board maktab syllabus. Someone mentioned to me that these Ahaadith are not suitable to quote. I will appreciate if the ulama can verify the authenticity of these Ahaadith and whether they can be quoted or not. The four ahaadith are listed below:

Q: What are the conditions for the validity of pelting?

Q: Can a woman cut another woman's hair after Umrah or must it be done by a Mahram?

Q: If I am a Hanafi and I move to an area that is mainly Shaafi's, do I follow the Shaafi mazhab or stick to Hanafi mazhab. For example, in instances like Ramadhaan where there is a difference in the way witr is performed, etc.

Q: 

1. Can I read durood and zikr with short sleeves? Is it still rewarded and accepted? 

2. For Ramadhaan, I wanted to gift my family and friends something that can be lasting reward for me, if I gift them counters for zikr, is this a means of lasting reward?