Not giving a beggar anything due to not having any change

Q: Sometimes beggars come and ask us for money when we are outside the office with colleagues. Sometimes, I don't have small currency to give them and neither can I say anything to them. Last time I went to the city and we were outside the office and one beggar was asking for money. He came to me but I didn't have small currency at that time to give to him, but he stood infront of me. After a few minutes a colleague who was with me gave him some money. I sometimes think what they might think of me. Genuniely if I had small currency I would have given it to him. Can we deny if we don't have small currency notes.

Urine drops during pregnancy

Q: During prenancy, due to extra pressure on the uterus, it is too difficult to move and urinate. This pressure causes some fluid to be discharged from time to time especially when you try to move or have urine pressure. For namaz and wudhu, do we have to wash the trouser again and again? I live in a joint family home and it looks very wierd and awkward. If a lady teaches in school, there might be no washroom to wash the trouser. I have only two dresses then I'll have to wash the trouser many times for offering salah or reciting Quran?  

Using slaughtering equipment from a non-Muslim butchery

Q: I would like to know whether the meat will be halaal or not. After investigating at a specific butchery (which is not halaal as normal), they use seperate blades and machines for pork and other meat e.g. cow, sheep. What if a Muslim borrows their machine and blade (slaughtering tools) and slaughters according to Islamic way; what will be the state of that meat?

Educating children regarding "adult material"

Q: In some cultures, nowadays, parents tend to hide or cover a hadith or some Islamic knowledge from their children. They say that it’s something you’ll need to know when you grow up – as in when you get married. Should children – after puberty, at least – not have full knowledge about Islam before marriage? For example, there are ahaadith relating to zina. There’s knowledge about sexual intercourse, about pregnancy, about masturbation, etc. which most children do not know about; unless they’re very curious and tend to look up themselves, which causes further sins, i.e pornography.

Children would not know that masturbation is haraam unless it’s told to them. Masturbation is so common during youth, and children are not aware of the fact that it’s haraam, or if you did it, you have to do ghusl prior to praying. Should a woman/man tell their children about sexual intercourse right before the day of marriage, as this would cause fear in the heart of a young girl just before marriage? I heard a father telling their daughters about this hadith but only up till كَذَا وَكَذَا i.e. he left out the last 2 words, كُلُّ عَيْنٍ زَانِيَةٌ وَالْمَرْأَةُ إِذَا اسْتَعْطَرَتْ فَمَرَّتْ بِالْمَجْلِسِ فَهِيَ كَذَا وَكَذَا يَعْنِي زَانِيَةً Was this right of him to do so?

Also, women don’t allow their children to read full Islamic books, written by great people, like Bahishti Zewar written by Ashraf Ali Thanwi (rahmatullahi 'alaihi). They just let them read what they think is important for the “kids” to know, and leave out the “adult” chapters, even in the daily Ta’leem. Parents are oblivious of the fact that children are aware of everything they are aware of. Since nowadays, kids learn everything from their Biology textbooks and that, too, in detail—Isn’t it better that parents give them that knowledge by letting them read Islamic books, or by informing them of various sins i.e. as in what’s adultery, etc.?