It is not permissible for you to skip fasting because of work. You have to look for means that will help you to combine fasting and working in a way that will not harm you.

Eleven tips on how to get your children accustomed to fasting: 1. Telling them of the virtues of fasting. 2. Prior experience of getting used to fasting, such as fasting a few days in the month of Sha`ban. 3. Fasting part of the day and increasing the time gradually. 4. Delaying Suhur (pre-dawn meal) until the last part of the night. 5. Encouraging them to fast by giving them rewards each day or each week. 6. Praising them in front of the family. 7. Instilling a spirit of competition for the one who has more than one child. 8. Distracting the one who gets hungry by letting him sleep or play permissible games. 9. It is preferable for the father to take his son -- especially after `Asr -- to attend the prayer and lessons, and to stay in the mosque to read the Quran and remember Allah. 10. Arranging visits during the day and night to families whose young children are also fasting, so as to encourage them to carry on fasting. 11. Rewarding them with permissible trips after iftar, or making the kinds of food, sweets, fruits and juices that they want.

Women in `iddah following the death of the husband should not go out at night except in cases of necessity. So, they should not go out to pray Tarawih but they can go out to work during the day.

If the plane takes off before sunset, and you want to complete that day’s fast, then you should not break your fast until the sun sets in the place where you are in the air.

It is not permissible to break the fast during Ramadan because of examsو because having exams is not one of the valid reasons for breaking the fast in Islam.